diff --git a/src/dev/device.cpp b/src/dev/device.cpp
index cfb21a77..6d1d449b 100644
--- a/src/dev/device.cpp
+++ b/src/dev/device.cpp
@@ -16,4 +16,24 @@ const char* BaseDevice::get_model()
     return PIOENV;
 #endif
 }
-}
\ No newline at end of file
+
+const char* BaseDevice::get_version()
+{
+#ifdef HASP_MODEL
+    return (QUOTE(HASP_VER_MAJ) "." QUOTE(HASP_VER_MIN) "." QUOTE(HASP_VER_REV));
+#else
+    return PIOENV;
+#endif
+}
+
+const char* BaseDevice::get_hostname()
+{
+    return _hostname; //.c_str();
+}
+
+void BaseDevice::set_hostname(const char* hostname)
+{
+    strncpy(_hostname, hostname, STR_LEN_HOSTNAME);
+}
+
+} // namespace dev
\ No newline at end of file
diff --git a/src/dev/device.h b/src/dev/device.h
index 61b8d01c..6e644513 100644
--- a/src/dev/device.h
+++ b/src/dev/device.h
@@ -20,6 +20,8 @@
 
 #include "ArduinoJson.h"
 
+#define STR_LEN_HOSTNAME 64
+
 namespace dev {
 
 class BaseDevice {
@@ -29,13 +31,9 @@ class BaseDevice {
 
     virtual void reboot()
     {}
-    virtual const char* get_hostname()
-    {
-        return "";
-    }
-    virtual void set_hostname(const char*)
-    {}
-    virtual const char* get_core_version()
+    const char* get_hostname();
+    void set_hostname(const char*);
+    const char* get_core_version()
     {
         return "";
     }
@@ -44,6 +42,7 @@ class BaseDevice {
         return "";
     }
     virtual const char* get_model();
+    virtual const char* get_version();
     virtual const char* get_hardware_id()
     {
         return "";
@@ -100,6 +99,10 @@ class BaseDevice {
         snprintf(buffer, sizeof(buffer), "%d", pin);
         return buffer;
     }
+
+  private:
+    // std::string _hostname;
+    char _hostname[STR_LEN_HOSTNAME];
 };
 
 } // namespace dev
diff --git a/src/dev/esp32/esp32.cpp b/src/dev/esp32/esp32.cpp
index d1e0b824..6fcdc0a2 100644
--- a/src/dev/esp32/esp32.cpp
+++ b/src/dev/esp32/esp32.cpp
@@ -97,7 +97,7 @@ static void halGetResetInfo(String& resetReason)
 
 Esp32Device::Esp32Device()
 {
-    _hostname         = MQTT_NODENAME;
+    BaseDevice::set_hostname(MQTT_NODENAME);
     _backlight_invert = (TFT_BACKLIGHT_ON == LOW);
     _backlight_power  = 1;
     _backlight_level  = 255;
@@ -129,14 +129,6 @@ void Esp32Device::show_info()
     if(_sketch_size == 0) _sketch_size = ESP.getSketchSize(); // slow: takes ~1 second
 }
 
-const char* Esp32Device::get_hostname()
-{
-    return _hostname.c_str();
-}
-void Esp32Device::set_hostname(const char* hostname)
-{
-    _hostname = hostname;
-}
 const char* Esp32Device::get_core_version()
 {
     return esp_get_idf_version(); // == ESP.getSdkVersion();
diff --git a/src/dev/esp32/esp32.h b/src/dev/esp32/esp32.h
index cb217599..38bf9db2 100644
--- a/src/dev/esp32/esp32.h
+++ b/src/dev/esp32/esp32.h
@@ -19,8 +19,6 @@ class Esp32Device : public BaseDevice {
     void reboot() override;
     void show_info() override;
 
-    const char* get_hostname();
-    void set_hostname(const char*);
     const char* get_core_version();
     const char* get_chip_model();
     const char* get_hardware_id();
@@ -40,7 +38,6 @@ class Esp32Device : public BaseDevice {
     bool is_system_pin(uint8_t pin) override;
 
   private:
-    std::string _hostname;
     std::string _hardware_id;
     uint32_t _sketch_size; // cached because function is slow
 
diff --git a/src/hasp/hasp.cpp b/src/hasp/hasp.cpp
index e40acd88..848d9dd6 100644
--- a/src/hasp/hasp.cpp
+++ b/src/hasp/hasp.cpp
@@ -534,10 +534,10 @@ void hasp_background(uint16_t pageid, uint16_t imageid)
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////////////
 
-void haspGetVersion(char* version, size_t len)
-{
-    snprintf_P(version, len, PSTR("%u.%u.%u"), HASP_VER_MAJ, HASP_VER_MIN, HASP_VER_REV);
-}
+// void haspGetVersion(char* version, size_t len)
+// {
+//     snprintf_P(version, len, PSTR("%u.%u.%u"), HASP_VER_MAJ, HASP_VER_MIN, HASP_VER_REV);
+// }
 
 void haspClearPage(uint16_t pageid)
 {
@@ -577,8 +577,7 @@ void hasp_get_info(JsonDocument& doc)
     char size_buf[32];
     JsonObject info = doc.createNestedObject(F(D_MANUFACTURER));
 
-    haspGetVersion(size_buf, sizeof(size_buf));
-    info[F(D_INFO_VERSION)] = size_buf;
+    info[F(D_INFO_VERSION)] = haspDevice.get_version();
 
     buffer = __DATE__;
     buffer += (" ");
diff --git a/src/hasp/hasp.h b/src/hasp/hasp.h
index 0db81f9f..632d615f 100644
--- a/src/hasp/hasp.h
+++ b/src/hasp/hasp.h
@@ -50,7 +50,7 @@ void haspEverySecond(void);
 void haspReconnect(void);
 void haspDisconnect(void);
 
-void haspGetVersion(char* version, size_t len);
+// void haspGetVersion(char* version, size_t len);
 // void haspBackground(uint16_t pageid, uint16_t imageid);
 
 // void haspNewObject(const JsonObject & config, uint8_t & saved_page_id);
diff --git a/src/hasp/hasp_dispatch.cpp b/src/hasp/hasp_dispatch.cpp
index e8f50378..cbb92472 100644
--- a/src/hasp/hasp_dispatch.cpp
+++ b/src/hasp/hasp_dispatch.cpp
@@ -810,6 +810,7 @@ void dispatch_send_discovery(const char*, const char*)
     doc[F("mf")]    = F(D_MANUFACTURER);
     doc[F("hwid")]  = haspDevice.get_hardware_id();
     doc[F("pages")] = haspPages.count();
+    doc[F("sw")]    = haspDevice.get_version();
 
     JsonObject input = doc.createNestedObject(F("input"));
     JsonArray relay  = doc.createNestedArray(F("power"));
@@ -821,10 +822,8 @@ void dispatch_send_discovery(const char*, const char*)
 #endif
 
     char data[1024];
-    haspGetVersion(data, sizeof(data));
-    doc[F("sw")] = data;
-
     size_t len = serializeJson(doc, data);
+
     switch(mqtt_send_discovery(data, len)) {
         case MQTT_ERR_OK:
             LOG_TRACE(TAG_MQTT_PUB, F(MQTT_TOPIC_DISCOVERY " => %s"), data);
@@ -854,9 +853,9 @@ void dispatch_statusupdate(const char*, const char*)
         char buffer[128];
 
         hasp_get_sleep_state(topic);
-        haspGetVersion(buffer, sizeof(buffer));
         snprintf_P(data, sizeof(data), PSTR("{\"node\":\"%s\",\"idle\":\"%s\",\"version\":\"%s\",\"uptime\":%lu,"),
-                   haspDevice.get_hostname(), topic, buffer, long(millis() / 1000)); // \"status\":\"available\",
+                   haspDevice.get_hostname(), topic, haspDevice.get_version(),
+                   long(millis() / 1000)); // \"status\":\"available\",
 
 #if HASP_USE_WIFI > 0 || HASP_USE_ETHERNET > 0
         network_get_statusupdate(buffer, sizeof(buffer));
diff --git a/src/hasp_debug.cpp b/src/hasp_debug.cpp
index 1fbc44a8..699a02fc 100644
--- a/src/hasp_debug.cpp
+++ b/src/hasp_debug.cpp
@@ -177,9 +177,6 @@ void debugLvglLogEvent(lv_log_level_t level, const char* file, uint32_t line, co
 // Send the HASP header and version to the output device specified
 void debugPrintHaspHeader(Print* output)
 {
-    char buffer[16];
-    haspGetVersion(buffer, sizeof(buffer));
-
 #ifdef ARDUINO
     if(debugAnsiCodes) output->print(TERM_COLOR_YELLOW);
     output->println();
@@ -190,7 +187,7 @@ void debugPrintHaspHeader(Print* output)
                     "          |__|__|__|__|_____|__|\r\n"
                     "        Home Automation Switch Plate\r\n"
                     "        Open Hardware edition v"));
-    output->println(buffer);
+    output->println(haspDevice.get_version());
     output->println();
 #else
     if(debugAnsiCodes) debug_print(output, TERM_COLOR_YELLOW);
@@ -201,7 +198,7 @@ void debugPrintHaspHeader(Print* output)
                           "          |__|__|__|__|_____|__|\r\n"
                           "        Home Automation Switch Plate\r\n"
                           "        Open Hardware edition v"));
-    debug_print(output, buffer);
+    debug_print(output, haspDevice.get_version());
     debug_newline(output);
     debug_newline(output);
 #endif
diff --git a/src/mqtt/hasp_mqtt_ha.cpp b/src/mqtt/hasp_mqtt_ha.cpp
index a4adbd41..190105f8 100644
--- a/src/mqtt/hasp_mqtt_ha.cpp
+++ b/src/mqtt/hasp_mqtt_ha.cpp
@@ -75,10 +75,7 @@ void mqtt_ha_add_device_ids(JsonDocument& doc)
     ids.add(haspDevice.get_hostname());
     ids.add(HASP_MAC_ADDRESS_STR);
 
-    char buffer[32];
-    haspGetVersion(buffer, sizeof(buffer));
-    device[F("sw")] = buffer;
-
+    device[F("sw")]                        = haspDevice.get_version();
     device[FPSTR(FP_MQTT_HA_NAME)]         = haspDevice.get_hostname();
     device[FPSTR(FP_MQTT_HA_MODEL)]        = F(PIOENV);
     device[FPSTR(FP_MQTT_HA_MANUFACTURER)] = F(D_MANUFACTURER);
diff --git a/src/sys/svc/hasp_http.cpp b/src/sys/svc/hasp_http.cpp
index cac82c5f..136d912f 100644
--- a/src/sys/svc/hasp_http.cpp
+++ b/src/sys/svc/hasp_http.cpp
@@ -250,16 +250,13 @@ bool httpIsAuthenticated(const __FlashStringHelper* notused)
 
 void webSendFooter()
 {
-    char buffer[16];
-    haspGetVersion(buffer, sizeof(buffer));
-
 #if defined(STM32F4xx)
     webServer.sendContent(HTTP_END);
-    webServer.sendContent(buffer);
+    webServer.sendContent(haspDevice.get_version());
     webServer.sendContent(HTTP_FOOTER);
 #else
     webServer.sendContent_P(HTTP_END);
-    webServer.sendContent(buffer);
+    webServer.sendContent(haspDevice.get_version());
     webServer.sendContent_P(HTTP_FOOTER);
 #endif
 }
@@ -279,10 +276,9 @@ void webSendPage(const char* nodename, uint32_t httpdatalength, bool gohome = fa
 {
     {
         char buffer[64];
-        haspGetVersion(buffer, sizeof(buffer));
 
         /* Calculate Content Length upfront */
-        uint32_t contentLength = strlen(buffer); // version length
+        uint32_t contentLength = strlen(haspDevice.get_version()); // version length
         contentLength += sizeof(HTTP_DOCTYPE) - 1;
         contentLength += sizeof(HTTP_HEADER) - 1 - 2 + strlen(nodename); // -2 for %s
         contentLength += sizeof(HTTP_SCRIPT) - 1;
@@ -624,11 +620,7 @@ void webHandleInfo()
 
         /* HASP Stats */
         httpMessage += F("<b>HASP Version: </b>");
-        {
-            char version[32];
-            haspGetVersion(version, sizeof(version));
-            httpMessage += version;
-        }
+        httpMessage += haspDevice.get_version();
         httpMessage += F("<br/><b>Build DateTime: </b>");
         httpMessage += __DATE__;
         httpMessage += F(" ");
diff --git a/src/sys/svc/hasp_mdns.cpp b/src/sys/svc/hasp_mdns.cpp
index 464db38d..35761d98 100644
--- a/src/sys/svc/hasp_mdns.cpp
+++ b/src/sys/svc/hasp_mdns.cpp
@@ -60,8 +60,7 @@ void mdnsStart()
         MDNS.addService(service, proto, 80);
 
         strcpy_P(key, PSTR("app_version"));
-        haspGetVersion(value, sizeof(value));
-        MDNS.addServiceTxt(service, proto, key, value);
+        MDNS.addServiceTxt(service, proto, key, haspDevice.get_version());
 
         strcpy_P(key, PSTR("app_name"));
         strcpy_P(value, PSTR(D_MANUFACTURER));
diff --git a/src/sys/svc/hasp_slave.cpp b/src/sys/svc/hasp_slave.cpp
index 39abf4df..d3259e1c 100644
--- a/src/sys/svc/hasp_slave.cpp
+++ b/src/sys/svc/hasp_slave.cpp
@@ -70,10 +70,9 @@ void TASMO_TELE_JSON()
     char data[3 * 128];
     {
         char buffer[128];
-        haspGetVersion(buffer, sizeof(buffer));
 
-        snprintf_P(data, sizeof(data), PSTR("{\"status\":\"available\",\"version\":\"%s\",\"uptime\":%lu,"), buffer,
-                   long(millis() / 1000));
+        snprintf_P(data, sizeof(data), PSTR("{\"status\":\"available\",\"version\":\"%s\",\"uptime\":%lu,"),
+                   haspDevice.get_version(), long(millis() / 1000));
 
         snprintf_P(buffer, sizeof(buffer), PSTR("\"espCanUpdate\":\"false\",\"page\":%u,\"numPages\":%u,"),
                    haspGetPage(), (HASP_NUM_PAGES));