diff --git a/themes/luci-theme-openwrt-2020/htdocs/luci-static/openwrt2020/cascade.css b/themes/luci-theme-openwrt-2020/htdocs/luci-static/openwrt2020/cascade.css
index cf320e4aed..a8b33c022f 100644
--- a/themes/luci-theme-openwrt-2020/htdocs/luci-static/openwrt2020/cascade.css
+++ b/themes/luci-theme-openwrt-2020/htdocs/luci-static/openwrt2020/cascade.css
@@ -15,6 +15,10 @@
  	src: url("GalanoGrotesqueW00-Regular.woff2") format("woff2");
 }
 
+:root[lang="bg"], :root[lang="ru"], :root[lang="uk"], :root[lang="el"], :root[lang="he"] {
+	--regular-font: "Helvetica";
+}
+
 /*
  * resets and base style
  */