diff --git a/Makefile.am b/Makefile.am
index 58afd9b923c0f545cdbe985bbf83cb75208e0a4b..47aeb97768e07087fa741130990e3c328ceee686 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -19,6 +19,7 @@ MAINTAINERCLEANFILES = \
 	$(GITIGNORE_MAINTAINERCLEANFILES_MAKEFILE_IN) \
 	$(srcdir)/INSTALL \
 	$(srcdir)/ChangeLog \
+	$(srcdir)/gtk-doc.make \
 	$(NULL)