diff --git a/src/drivers/rgbled/module.mk b/src/drivers/rgbled/module.mk
index 39b53ec9ed..c287e35f31 100644
--- a/src/drivers/rgbled/module.mk
+++ b/src/drivers/rgbled/module.mk
@@ -4,3 +4,5 @@
 
 MODULE_COMMAND	 = rgbled
 SRCS		 = rgbled.cpp
+
+MAXOPTIMIZATION	 = -Os