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 313fa2a..21f8f32 100644
--- a/polygerrit-ui/app/elements/diff/gr-diff/gr-diff.html
+++ b/polygerrit-ui/app/elements/diff/gr-diff/gr-diff.html
@@ -138,6 +138,10 @@
       .content.remove.lightHighlight {
         background-color: var(--light-remove-highlight-color);
       }
+      .content .contentText:after {
+        /* Newline, to ensure all lines are one line-height tall. */
+        content: '\A';
+      }
       .contextControl {
         background-color: #fef;
         color: #849;