diff --git a/src/custom/my_custom_fan_template.cpp b/src/custom/my_custom_fan_template.cpp
index a8775242..5de68952 100644
--- a/src/custom/my_custom_fan_template.cpp
+++ b/src/custom/my_custom_fan_template.cpp
@@ -13,7 +13,7 @@
 
 #include "hasplib.h"
 
-#if defined(HASP_USE_CUSTOM) && false // <-- set this to true in your code
+#if defined(HASP_USE_CUSTOM) && HASP_USE_CUSTOM > 0 && false // <-- set this to true in your code
 
 #include "hasp_debug.h"
 
diff --git a/src/custom/my_custom_template.cpp b/src/custom/my_custom_template.cpp
index 358bbd0f..e32ea4f6 100644
--- a/src/custom/my_custom_template.cpp
+++ b/src/custom/my_custom_template.cpp
@@ -6,7 +6,7 @@
 
 #include "hasplib.h"
 
-#if defined(HASP_USE_CUSTOM) && false // <-- set this to true in your code
+#if defined(HASP_USE_CUSTOM) && HASP_USE_CUSTOM > 0 && false // <-- set this to true in your code
 
 #include "hasp_debug.h"
 
diff --git a/src/custom/my_custom_template.h b/src/custom/my_custom_template.h
index 3e25c031..5f156e85 100644
--- a/src/custom/my_custom_template.h
+++ b/src/custom/my_custom_template.h
@@ -9,7 +9,7 @@
 #define HASP_CUSTOM_H
 
 #include "hasplib.h"
-#if defined(HASP_USE_CUSTOM)
+#if defined(HASP_USE_CUSTOM) && HASP_USE_CUSTOM > 0
 
 /* This function is called at boot */
 void custom_setup();
diff --git a/src/hasp/hasp_dispatch.cpp b/src/hasp/hasp_dispatch.cpp
index 33cffc77..c8988f85 100644
--- a/src/hasp/hasp_dispatch.cpp
+++ b/src/hasp/hasp_dispatch.cpp
@@ -452,7 +452,7 @@ void dispatch_topic_payload(const char* topic, const char* payload, bool update,
     }
 #endif
 
-#if defined(HASP_USE_CUSTOM)
+#if defined(HASP_USE_CUSTOM) && HASP_USE_CUSTOM > 0
     if(topic == strstr_P(topic, PSTR(MQTT_TOPIC_CUSTOM "/"))) { // startsWith custom
         topic += 7u;
         custom_topic_payload(topic, (char*)payload, source);
@@ -1295,7 +1295,7 @@ void dispatch_send_sensordata(const char*, const char*, uint8_t source)
 
     haspDevice.get_sensors(doc);
 
-#if defined(HASP_USE_CUSTOM)
+#if defined(HASP_USE_CUSTOM) && HASP_USE_CUSTOM > 0
     custom_get_sensors(doc);
 #endif
 
diff --git a/src/hasp/hasp_task.cpp b/src/hasp/hasp_task.cpp
index 272285d7..09650380 100644
--- a/src/hasp/hasp_task.cpp
+++ b/src/hasp/hasp_task.cpp
@@ -32,7 +32,7 @@ void task_every_second_cb(lv_task_t* task)
     telnetEverySecond();
 #endif
 
-#if defined(HASP_USE_CUSTOM)
+#if defined(HASP_USE_CUSTOM) && HASP_USE_CUSTOM > 0
     custom_every_second();
 #endif
     // debugEverySecond();
@@ -53,7 +53,7 @@ void task_every_second_cb(lv_task_t* task)
             break;
 
         case 3:
-#if defined(HASP_USE_CUSTOM)
+#if defined(HASP_USE_CUSTOM) && HASP_USE_CUSTOM > 0
             custom_every_5seconds();
 #endif
             break;
diff --git a/src/hasplib.h b/src/hasplib.h
index d4b578ad..0c621f12 100644
--- a/src/hasplib.h
+++ b/src/hasplib.h
@@ -70,6 +70,6 @@
 #endif
 #endif
 
-#if defined(HASP_USE_CUSTOM)
+#if defined(HASP_USE_CUSTOM) && HASP_USE_CUSTOM > 0
 #include "custom/my_custom.h"
 #endif
\ No newline at end of file
diff --git a/src/main.cpp b/src/main.cpp
index c68c2bf4..4d428db4 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -136,7 +136,7 @@ void setup()
     slaveSetup();
 #endif
 
-#if defined(HASP_USE_CUSTOM)
+#if defined(HASP_USE_CUSTOM) && HASP_USE_CUSTOM > 0
     custom_setup();
 #endif
 
@@ -195,7 +195,7 @@ IRAM_ATTR void loop()
     consoleLoop();
 #endif
 
-#if defined(HASP_USE_CUSTOM)
+#if defined(HASP_USE_CUSTOM) && HASP_USE_CUSTOM > 0
     custom_loop();
 #endif
 
@@ -222,7 +222,7 @@ IRAM_ATTR void loop()
         telnetEverySecond();
 #endif
 
-#if defined(HASP_USE_CUSTOM)
+#if defined(HASP_USE_CUSTOM) && HASP_USE_CUSTOM > 0
         custom_every_second();
 #endif
         // debugEverySecond();
@@ -243,7 +243,7 @@ IRAM_ATTR void loop()
                 //   gpioEvery5Seconds();
 #endif
 
-#if defined(HASP_USE_CUSTOM)
+#if defined(HASP_USE_CUSTOM) && HASP_USE_CUSTOM > 0
                 custom_every_5seconds();
 #endif
                 break;
diff --git a/src/mqtt/hasp_mqtt_esp.cpp b/src/mqtt/hasp_mqtt_esp.cpp
index f19f3c5d..7d076d15 100644
--- a/src/mqtt/hasp_mqtt_esp.cpp
+++ b/src/mqtt/hasp_mqtt_esp.cpp
@@ -371,7 +371,7 @@ void onMqttConnect(esp_mqtt_client_handle_t client)
     // mqttSubscribeTo(mqttGroupTopic + subtopic);
     // mqttSubscribeTo(mqttNodeTopic + subtopic);
 
-#if defined(HASP_USE_CUSTOM)
+#if defined(HASP_USE_CUSTOM) && HASP_USE_CUSTOM > 0
     String subtopic = F(MQTT_TOPIC_CUSTOM "/#");
     mqttSubscribeTo(mqttGroupCommandTopic + subtopic);
     mqttSubscribeTo(mqttNodeCommandTopic + subtopic);
diff --git a/src/mqtt/hasp_mqtt_paho_async.cpp b/src/mqtt/hasp_mqtt_paho_async.cpp
index a75bb699..176d6bc4 100644
--- a/src/mqtt/hasp_mqtt_paho_async.cpp
+++ b/src/mqtt/hasp_mqtt_paho_async.cpp
@@ -328,7 +328,7 @@ static void onConnect(void* context, MQTTAsync_successData* response)
     topic = mqttNodeTopic + "config/#";
     mqtt_subscribe(mqtt_client, topic.c_str());
 
-#if defined(HASP_USE_CUSTOM)
+#if defined(HASP_USE_CUSTOM) && HASP_USE_CUSTOM > 0
     topic = mqttGroupTopic + MQTT_TOPIC_CUSTOM "/#";
     mqtt_subscribe(mqtt_client, topic.c_str());
 
diff --git a/src/mqtt/hasp_mqtt_paho_single.cpp b/src/mqtt/hasp_mqtt_paho_single.cpp
index 2d1565b3..010320d7 100644
--- a/src/mqtt/hasp_mqtt_paho_single.cpp
+++ b/src/mqtt/hasp_mqtt_paho_single.cpp
@@ -269,7 +269,7 @@ static void onConnect(void* context)
     topic = mqttNodeTopic + "config/#";
     mqtt_subscribe(mqtt_client, topic.c_str());
 
-#if defined(HASP_USE_CUSTOM)
+#if defined(HASP_USE_CUSTOM) && HASP_USE_CUSTOM > 0
     topic = mqttGroupTopic + MQTT_TOPIC_CUSTOM "/#";
     mqtt_subscribe(mqtt_client, topic.c_str());
 
diff --git a/src/mqtt/hasp_mqtt_pubsubclient.cpp b/src/mqtt/hasp_mqtt_pubsubclient.cpp
index 84e2a2b5..e72e468f 100644
--- a/src/mqtt/hasp_mqtt_pubsubclient.cpp
+++ b/src/mqtt/hasp_mqtt_pubsubclient.cpp
@@ -311,7 +311,7 @@ void mqttStart()
     snprintf_P(topic, sizeof(topic), PSTR("%s" MQTT_TOPIC_CONFIG "/#"), mqttNodeTopic);
     mqttSubscribeTo(topic);
 
-#if defined(HASP_USE_CUSTOM)
+#if defined(HASP_USE_CUSTOM) && HASP_USE_CUSTOM > 0
     snprintf_P(topic, sizeof(topic), PSTR("%s" MQTT_TOPIC_CUSTOM "/#"), mqttGroupTopic);
     mqttSubscribeTo(topic);
     snprintf_P(topic, sizeof(topic), PSTR("%s" MQTT_TOPIC_CUSTOM "/#"), mqttNodeTopic);
diff --git a/src/sys/gpio/hasp_gpio.cpp b/src/sys/gpio/hasp_gpio.cpp
index 52b60a96..ec083dcd 100644
--- a/src/sys/gpio/hasp_gpio.cpp
+++ b/src/sys/gpio/hasp_gpio.cpp
@@ -776,7 +776,7 @@ bool gpioIsSystemPin(uint8_t gpio)
         return true;
     }
 
-#if defined(HASP_USE_CUSTOM)
+#if defined(HASP_USE_CUSTOM) && HASP_USE_CUSTOM > 0
     if(custom_pin_in_use(gpio)) {
         LOG_DEBUG(TAG_GPIO, F(D_BULLET D_GPIO_PIN " %d => Custom"), gpio);
         return true;