diff --git a/configs/whistler_defconfig b/configs/whistler_defconfig
index 969f73c..995cf36 100644
--- a/configs/whistler_defconfig
+++ b/configs/whistler_defconfig
@@ -9,6 +9,7 @@
 # CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
+CONFIG_CMD_GPIO=y
 # CONFIG_CMD_SETEXPR is not set
 # CONFIG_CMD_NFS is not set
 CONFIG_USB=y