diff --git a/Makefile b/Makefile
index 43d49ec..f5ca92b 100644
--- a/Makefile
+++ b/Makefile
@@ -45,7 +45,8 @@ MUSIC		:= music
 ARCH	:=	-mthumb -mthumb-interwork
 
 CFLAGS	:=	-g -Wall -O3 -fgcse-after-reload -gdwarf-4\
-                -mcpu=arm7tdmi -mtune=arm7tdmi -fno-lto\
+                -mcpu=arm7tdmi -mtune=arm7tdmi -flto\
+                -fallow-store-data-races\
                 -DGBA\
 		$(ARCH)