diff --git a/fs/Kconfig b/fs/Kconfig
index 455aa20..d4bf8ca 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -109,6 +109,7 @@
 
 config TMPFS
 	bool "Virtual memory file system support (former shm fs)"
+	depends on SHMEM
 	help
 	  Tmpfs is a file system which keeps all files in virtual memory.