diff --git a/doc/gtkdoc.sh b/doc/gtkdoc.sh
index b45cd75..5ad2e83 100755
--- a/doc/gtkdoc.sh
+++ b/doc/gtkdoc.sh
@@ -34,7 +34,7 @@ GTKDOC_MKHTML="gtkdoc-mkhtml"
 GTKDOC_MKTMPL="gtkdoc-mktmpl"
 GTKDOC_SCAN="gtkdoc-scan"
 INSTALL="install -m 0644"
-MKDIR="mkdir -p"
+MKDIR="mkdir -m 0755 -p"
 MODULE="$PACKAGE"
 RM="rm -f"
 TOUCH="touch"
@@ -95,6 +95,7 @@ while [ $# -gt 0 ]; do
 	#uninstall
 	if [ "$uninstall" -eq 1 ]; then
 		for i in gtkdoc/html/*.*; do
+			[ -f "$i" ] || continue
 			file="${i##*/}"
 			$DEBUG $RM "$instdir/$MODULE/$file"	|| exit 2
 		done
@@ -151,6 +152,7 @@ while [ $# -gt 0 ]; do
 	if [ "$install" -eq 1 ]; then
 		$DEBUG $MKDIR "$instdir/$MODULE"		|| exit 2
 		for i in gtkdoc/html/*.*; do
+			[ -f "$i" ] || continue
 			file="${i##*/}"
 			$DEBUG $INSTALL "$i" "$instdir/$MODULE/$file" \
 								|| exit 2