diff --git a/src/hasp_hal.cpp b/src/hasp_hal.cpp
index 410e47c4..686ef308 100644
--- a/src/hasp_hal.cpp
+++ b/src/hasp_hal.cpp
@@ -126,13 +126,14 @@ String halGetChipModel()
 {
     String model((char *)0);
     model.reserve(128);
-    model = F("STM32");
 
-#if ESP8266
+#if defined(STM32F4xx)
+    model = F("STM32F4xx");
+
+#elif defined(ARDUINO_ARCH_ESP8266)
     model = F("ESP8266");
-#endif
 
-#if ESP32
+#elif defined(ARDUINO_ARCH_ESP32)
     esp_chip_info_t chip_info;
     esp_chip_info(&chip_info);
 
@@ -152,7 +153,10 @@ String halGetChipModel()
     }
     model += F(" rev");
     model += chip_info.revision;
-#endif // ESP32
+
+#else
+    model = F("Unknown");
+#endif
 
     return model;
 }
diff --git a/src/hasp_tft.cpp b/src/hasp_tft.cpp
index 88be8366..8453042e 100644
--- a/src/hasp_tft.cpp
+++ b/src/hasp_tft.cpp
@@ -57,7 +57,7 @@ void tftShowConfig(TFT_eSPI & tft)
     // #else
     //     Log.verbose(F("TFT: Processor  : STM%x"), tftSetup.esp);
     // #endif
-    Log.verbose(F("TFT: Processor  : %s"), halGetChipModel());
+    Log.verbose(F("TFT: Processor  : %s"), halGetChipModel().c_str());
     Log.verbose(F("TFT: CPU freq.  : %i MHz"), halGetCpuFreqMHz());
 
 #if defined(ARDUINO_ARCH_ESP8266)