diff --git a/arch/arm/configs/am3517_evm_defconfig b/arch/arm/configs/am3517_evm_defconfig
index abe9966781ce7c6b0d2f215b3b908b13fcf4ade7..edae1c293354171c059069597cf4a85950cbe594 100644
--- a/arch/arm/configs/am3517_evm_defconfig
+++ b/arch/arm/configs/am3517_evm_defconfig
@@ -201,7 +201,7 @@ CONFIG_ARCH_OMAP3=y
 # CONFIG_OMAP_DEBUG_POWERDOMAIN is not set
 # CONFIG_OMAP_DEBUG_CLOCKDOMAIN is not set
 CONFIG_OMAP_RESET_CLOCKS=y
-# CONFIG_OMAP_MUX is not set
+CONFIG_OMAP_MUX=y
 # CONFIG_OMAP_MCBSP is not set
 # CONFIG_OMAP_MBOX_FWK is not set
 # CONFIG_OMAP_MPU_TIMER is not set