diff --git a/target/linux/octeon/image/Makefile b/target/linux/octeon/image/Makefile
index 9e35a7dee2..043058b06f 100644
--- a/target/linux/octeon/image/Makefile
+++ b/target/linux/octeon/image/Makefile
@@ -7,7 +7,7 @@
 include $(TOPDIR)/rules.mk
 include $(INCLUDE_DIR)/image.mk
 
-DEVICE_VARS += KERNEL_PREFIX
+DEVICE_VARS += KERNEL_PREFIX FILESYSTEMS
 
 define Device/Default
   PROFILES = Default $$(DEVICE_NAME)