diff --git a/openwrt/scripts/05-fix-source.sh b/openwrt/scripts/05-fix-source.sh
index a1372fc1f..bb3818546 100644
--- a/openwrt/scripts/05-fix-source.sh
+++ b/openwrt/scripts/05-fix-source.sh
@@ -1,5 +1,8 @@
 #!/bin/bash
 
+# fix luci-base - rc4
+sed -i 's|\[sid\].hasOwnProperty|\[sid\]?.hasOwnProperty|g' feeds/luci/modules/luci-base/htdocs/luci-static/resources/uci.js
+
 # apk-tools
 curl -s $mirror/openwrt/patch/apk-tools/9999-hack-for-linux-pre-releases.patch > package/system/apk/patches/9999-hack-for-linux-pre-releases.patch