diff --git a/target/linux/rb532/config-2.6.28 b/target/linux/rb532/config-2.6.28
index bf986e71b88c0315c0d761f020a0059d28002554..460ad09d2b5580a3df1bd28d6c4de54094b2e355 100644
--- a/target/linux/rb532/config-2.6.28
+++ b/target/linux/rb532/config-2.6.28
@@ -17,6 +17,7 @@ CONFIG_BASE_SMALL=0
 CONFIG_BITREVERSE=y
 CONFIG_BLK_DEV_SD=y
 CONFIG_BOOT_RAW=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 CONFIG_CEVT_R4K=y
 CONFIG_CLASSIC_RCU=y
 # CONFIG_CPU_BIG_ENDIAN is not set