diff --git a/configs/bf538f-ezkit_defconfig b/configs/bf538f-ezkit_defconfig
index 0507cb2..1892151 100644
--- a/configs/bf538f-ezkit_defconfig
+++ b/configs/bf538f-ezkit_defconfig
@@ -1,2 +1,3 @@
 CONFIG_BLACKFIN=y
 CONFIG_TARGET_BF538F_EZKIT=y
+CONFIG_CC_OPTIMIZE_LIBS_FOR_SPEED=y