diff --git a/src/modules/sensors/module.mk b/src/modules/sensors/module.mk
index 5b1bc5e86f..dfbba92d91 100644
--- a/src/modules/sensors/module.mk
+++ b/src/modules/sensors/module.mk
@@ -42,3 +42,5 @@ SRCS		= sensors.cpp \
 		  sensor_params.c
 
 MODULE_STACKSIZE = 1200
+
+MAXOPTIMIZATION	 = -Os