diff --git a/src/MainTask.h b/src/MainTask.h
index f1d7be7..6aaa1b0 100644
--- a/src/MainTask.h
+++ b/src/MainTask.h
@@ -65,7 +65,7 @@ protected:
       this->heapSize = ESP.getHeapSize();
     #elif defined(ARDUINO_ARCH_ESP8266)
       this->heapSize = 81920;
-    #elif
+    #else
       this->heapSize = 99999;
     #endif
     this->minFreeHeapSize = heapSize;
diff --git a/src/main.cpp b/src/main.cpp
index e583aca..ba607ff 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -13,7 +13,7 @@
   #include <ESP32Scheduler.h>
 #elif defined(ARDUINO_ARCH_ESP8266)
   #include <Scheduler.h>
-#elif
+#else
   #error Wrong board. Supported boards: esp8266, esp32
 #endif