diff --git a/polygerrit-ui/app/elements/diff/gr-diff/gr-diff.html b/polygerrit-ui/app/elements/diff/gr-diff/gr-diff.html
index 61e8603ed0..8cf0e3f105 100644
--- a/polygerrit-ui/app/elements/diff/gr-diff/gr-diff.html
+++ b/polygerrit-ui/app/elements/diff/gr-diff/gr-diff.html
@@ -183,6 +183,7 @@ limitations under the License.
         color: var(--diff-tab-indicator-color);
         /* >> character */
         content: '\00BB';
+        position: absolute;
       }
       /* Is defined after other background-colors, such that this
          rule wins in case of same specificity. */