diff --git a/libogc/Makefile b/libogc/Makefile
index 30a396b..50af584 100644
--- a/libogc/Makefile
+++ b/libogc/Makefile
@@ -30,7 +30,7 @@ LIBDIR		:=	$(TOPDIR)/libogc/lib
 #---------------------------------------------------------------------------------
 # options for code generation
 #---------------------------------------------------------------------------------
-CFLAGS	= -g -O2 -Wall $(MACHDEP) $(INCLUDE)
+CFLAGS	= -g -Os -Wall $(MACHDEP) $(INCLUDE)
 CXXFLAGS	=	$(CFLAGS)
 
 ASFLAGS	:=	-g