--- a/browser/themes/shared/tabs.inc.css
+++ b/browser/themes/shared/tabs.inc.css
@@ -351,16 +351,18 @@ tabbrowser {
   #TabsToolbar[brighttext] .tab-throbber-fallback[progress]:not([selected=true]) {
     list-style-image: url("chrome://browser/skin/tabbrowser/tab-loading-inverted@2x.png");
   }
 }
 
 .tab-label {
   margin-inline-end: 0;
   margin-inline-start: 0;
+  /* Maintain consistent alignment in case of font fallback for non-Latin characters. */
+  line-height: 1.7em;
 }
 
 .tab-close-button {
   margin-inline-end: -2px;
   -moz-context-properties: fill, fill-opacity, stroke-opacity;
   stroke-opacity: var(--toolbarbutton-icon-fill-opacity);
 }