diff --git a/components/dfs/SConscript b/components/dfs/SConscript
index 63be90e533930aaabfb56f2a23721ede9208aa08..a5d9a65bff210f31d908fbc30e303af9d7505370 100644
--- a/components/dfs/SConscript
+++ b/components/dfs/SConscript
@@ -19,8 +19,9 @@ filesystems/elmfat/ff.c
 # DFS-ROMFS options
 romfs = Split("""
 filesystems/romfs/dfs_romfs.c
-filesystems/romfs/romfs.c
 """)
+if not GetDepend('DFS_ROMFS_ROOT'):
+    romfs = romfs + 'filesystems/romfs/romfs.c'
 
 # DFS-DeviceFS options
 devfs = Split("""