diff --git a/src/modules/sdlog2/module.mk b/src/modules/sdlog2/module.mk
index a28d43e725..d4a00af39d 100644
--- a/src/modules/sdlog2/module.mk
+++ b/src/modules/sdlog2/module.mk
@@ -43,3 +43,5 @@ SRCS = sdlog2.c \
        logbuffer.c
 
 MODULE_STACKSIZE = 1200
+
+MAXOPTIMIZATION	 = -Os