diff --git a/docs/reference/glib/Makefile.am b/docs/reference/glib/Makefile.am
index 5b8778862..82cb40422 100644
--- a/docs/reference/glib/Makefile.am
+++ b/docs/reference/glib/Makefile.am
@@ -176,7 +176,7 @@ dist-hook: dist-check-gtkdoc dist-hook-local
 	mkdir $(distdir)/html
 	-cp $(srcdir)/tmpl/*.sgml $(distdir)/tmpl
 	-cp $(srcdir)/sgml/*.sgml $(distdir)/sgml
-	-cp $(srcdir)/html/index.sgml $(distdir)/html
+	cp $(srcdir)/html/index.sgml $(distdir)/html
 	-cp $(srcdir)/html/*.html $(srcdir)/html/*.css $(distdir)/html
 
 	images=$(HTML_IMAGES) ;    	      \