diff --git a/target/linux/generic/config-3.18 b/target/linux/generic/config-3.18
index cfee63e2f9..6fbe9a6b7f 100644
--- a/target/linux/generic/config-3.18
+++ b/target/linux/generic/config-3.18
@@ -2664,7 +2664,7 @@ CONFIG_NLS_DEFAULT="iso8859-1"
 # CONFIG_OPENVSWITCH is not set
 # CONFIG_ORION_WATCHDOG is not set
 # CONFIG_OSF_PARTITION is not set
-CONFIG_OVERLAYFS_FS=y
+CONFIG_OVERLAY_FS=y
 # CONFIG_P54_COMMON is not set
 CONFIG_PACKET=y
 # CONFIG_PACKET_DIAG is not set