diff --git a/clutter/x11/Makefile.am b/clutter/x11/Makefile.am
index 3959c5ed6..c197cd4ba 100644
--- a/clutter/x11/Makefile.am
+++ b/clutter/x11/Makefile.am
@@ -11,8 +11,8 @@ INCLUDES = \
 LDADD = $(CLUTTER_LIBS)
 
 source_h = \
-	clutter-x11-texture-pixmap.h \
-	clutter-x11.h
+	$(top_srcdir)/clutter/x11/clutter-x11-texture-pixmap.h \
+	$(top_srcdir)/clutter/x11/clutter-x11.h
 
 BUILT_SOURCES = clutter-x11-enum-types.h clutter-x11-enum-types.c