diff --git a/target/linux/s3c24xx/Makefile b/target/linux/s3c24xx/Makefile
index 309c176cfd5acf41a9c2499801769e7825dc6e2c..dccda7bb978fef4384e4cb0a7e3da362a8496ed6 100644
--- a/target/linux/s3c24xx/Makefile
+++ b/target/linux/s3c24xx/Makefile
@@ -10,6 +10,7 @@ ARCH:=arm
 BOARD:=s3c24xx
 BOARDNAME:=s3c24xx
 FEATURES:=jffs2
+CFLAGS:=-O2 -pipe -march=armv4 -mtune=arm9tdmi -funit-at-a-time
 
 LINUX_VERSION:=2.6.28.7