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 6aae8d1..ebbc7e1 100644
--- a/polygerrit-ui/app/elements/diff/gr-diff/gr-diff.html
+++ b/polygerrit-ui/app/elements/diff/gr-diff/gr-diff.html
@@ -158,8 +158,8 @@
       .contextControl td:not(.lineNum) {
         text-align: center;
       }
-      .displayLine .diff-row.target-row {
-        border-bottom: 1px solid #bbb;
+      .displayLine .diff-row.target-row td {
+        box-shadow: inset 0 -1px #bbb;
       }
       .br:after {
         /* Line feed */