diff --git a/target/linux/ramips/mt7621/config-3.18 b/target/linux/ramips/mt7621/config-3.18
index 13ff9f8467..8861795854 100644
--- a/target/linux/ramips/mt7621/config-3.18
+++ b/target/linux/ramips/mt7621/config-3.18
@@ -124,6 +124,7 @@ CONFIG_MIPS_MT_FPAFF=y
 CONFIG_MIPS_MT_SMP=y
 CONFIG_MIPS_PERF_SHARED_TC_COUNTERS=y
 # CONFIG_MIPS_VPE_LOADER is not set
+CONFIG_MTK_MTD_NAND=y
 CONFIG_MODULES_USE_ELF_REL=y
 CONFIG_MT7621_WDT=y
 # CONFIG_MTD_CFI_INTELEXT is not set