diff --git a/platformio.ini b/platformio.ini
index d134d40..044a73d 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -17,6 +17,7 @@ src_build_flags =
   -DRENDERBUG_LED_PIN=14
   -DRENDERBUG_LED_PACKING=RGB
   -DDEFAULT_PATTERN_INDEX=0
+  -Wall
 lib_deps_external = 
 	fastled/FastLED@^3.5.0
 	thijse/ArduinoLog@^1.1.0