diff --git a/target/linux/kirkwood/config-3.3 b/target/linux/kirkwood/config-3.3
index 3d29548d628..2727456abca 100644
--- a/target/linux/kirkwood/config-3.3
+++ b/target/linux/kirkwood/config-3.3
@@ -57,6 +57,7 @@ CONFIG_GENERIC_IRQ_CHIP=y
 CONFIG_GENERIC_IRQ_SHOW=y
 CONFIG_GENERIC_PCI_IOMAP=y
 CONFIG_GPIOLIB=y
+CONFIG_GPIO_SYSFS=y
 # CONFIG_HAMRADIO is not set
 CONFIG_HARDIRQS_SW_RESEND=y
 CONFIG_HAS_DMA=y