diff --git a/target/linux/ramips/image/mt7621.mk b/target/linux/ramips/image/mt7621.mk
index 44e9de490c..0c7faefa73 100644
--- a/target/linux/ramips/image/mt7621.mk
+++ b/target/linux/ramips/image/mt7621.mk
@@ -755,7 +755,7 @@ define Device/thunder_timecloud
   IMAGE_SIZE := 16064k
   DEVICE_VENDOR := Thunder
   DEVICE_MODEL := Timecloud
-  DEVICE_PACKAGES := kmod-usb3
+  DEVICE_PACKAGES := kmod-usb3 kmod-sdhci-mt7620
   SUPPORTED_DEVICES += timecloud
 endef
 TARGET_DEVICES += thunder_timecloud