diff --git a/sys/modules/Makefile b/sys/modules/Makefile
index 1b2ca6d223cd..a648db2c0783 100644
--- a/sys/modules/Makefile
+++ b/sys/modules/Makefile
@@ -21,7 +21,6 @@ SUBDIR=	3dfx \
 	de \
 	digi \
 	ed \
-	ext2fs \
 	fdescfs \
 	fdc \
 	fs \
@@ -139,6 +138,10 @@ SUBDIR+=snc
 SUBDIR+=osf1
 .endif
 
+.if defined(WANT_EXT2FS_MODULE)
+SUBDIR+=ext2fs
+.endif
+
 .if defined(MODULES_OVERRIDE)
 SUBDIR=${MODULES_OVERRIDE}
 .endif