diff --git a/tmp/postinstall b/tmp/postinstall
index 83f6dc7..a97372d 100644
--- a/tmp/postinstall
+++ b/tmp/postinstall
@@ -76,5 +76,8 @@ sed -i "/<standard_session_servicedirs \/>/a\  <servicedir>/opt/kde/share/dbus-1
 #/opt/kde/lib in ldconfig aufnehmen
 LIBINST=`grep "/opt/kde/lib" /etc/ld.so.conf`
 if [ ! "$LIBINST" ]; then
-	echo "/opt/kde/lib64" >>/etc/ld.so.conf
+	echo "/opt/kde/lib" >>/etc/ld.so.conf
+	if [ -d  /opt/kde/lib64 ]; then
+		echo "/opt/kde/lib64" >>/etc/ld.so.conf
+	fi
 fi