diff --git a/miext/Makefile.am b/miext/Makefile.am
index 73a6577ae..84ab70855 100644
--- a/miext/Makefile.am
+++ b/miext/Makefile.am
@@ -5,7 +5,7 @@ endif
 if XQUARTZ
 SUBDIRS += rootless
 endif
-if XWIN
+if XWIN_MULTIWINDOWEXTWM
 SUBDIRS += rootless
 endif
 DIST_SUBDIRS = damage shadow cw rootless