diff --git a/modules/Makefile.in b/modules/Makefile.in
index 613b8c19..142b1744 100644
--- a/modules/Makefile.in
+++ b/modules/Makefile.in
@@ -108,3 +108,4 @@ uninstall:
 	rmdir $(DESTDIR)$(DATADIR)
 
 -include $(wildcard .depend/*.dep)
+-include $(wildcard .depend/extra/*.dep)