diff --git a/examples/temperature-measurement-app/esp32/main/DeviceCallbacks.cpp b/examples/temperature-measurement-app/esp32/main/DeviceCallbacks.cpp index e0d7decc849616..88fee24b7535b6 100644 --- a/examples/temperature-measurement-app/esp32/main/DeviceCallbacks.cpp +++ b/examples/temperature-measurement-app/esp32/main/DeviceCallbacks.cpp @@ -23,6 +23,7 @@ * **/ #include "DeviceCallbacks.h" +#include static const char TAG[] = "echo-devicecallbacks";