diff --git a/luci-theme-ezengreen/root/etc/uci-defaults/30_luci-theme-ezengreen b/luci-theme-ezengreen/root/etc/uci-defaults/30_luci-theme-ezengreen
index ad238fc36..3b96c4239 100755
--- a/luci-theme-ezengreen/root/etc/uci-defaults/30_luci-theme-ezengreen
+++ b/luci-theme-ezengreen/root/etc/uci-defaults/30_luci-theme-ezengreen
@@ -1,7 +1,12 @@
 #!/bin/sh
-uci batch <<-EOF
-	set luci.themes.Ezengreen=/luci-static/ezengreen
-	set luci.main.mediaurlbase=/luci-static/ezengreen
-	commit luci
-EOF
+
+if [ "$PKG_UPGRADE" != 1 ]; then
+	uci get luci.themes.ezengreen >/dev/null 2>&1 || \
+	uci batch <<-EOF
+		set luci.themes.ezengreen=/luci-static/ezengreen
+		set luci.main.mediaurlbase=/luci-static/ezengreen
+		commit luci
+	EOF
+fi
+
 exit 0