diff --git a/src/modules/dataman/module.mk b/src/modules/dataman/module.mk
index 234607b3de..7ebe09fb7e 100644
--- a/src/modules/dataman/module.mk
+++ b/src/modules/dataman/module.mk
@@ -40,3 +40,5 @@ MODULE_COMMAND	= dataman
 SRCS		= dataman.c
 
 MODULE_STACKSIZE = 1200
+
+MAXOPTIMIZATION = -Os