diff --git a/package/mtd/Config.in b/package/mtd/Config.in
index eef812909a..8be5eff551 100644
--- a/package/mtd/Config.in
+++ b/package/mtd/Config.in
@@ -161,6 +161,7 @@ config BR2_PACKAGE_MTD_UBIBLOCK
 
 config BR2_PACKAGE_MTD_INTEGCK
 	bool "integck"
+	depends on BR2_USE_MMU # fork()
 	help
 	  Install the integck test program.