diff --git a/Makefile.am b/Makefile.am
index 58afd9b92..47aeb9776 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)