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 7aac01c..aa69248 100644
--- a/polygerrit-ui/app/elements/diff/gr-diff/gr-diff.html
+++ b/polygerrit-ui/app/elements/diff/gr-diff/gr-diff.html
@@ -44,8 +44,8 @@
       }
       :host {
         font-family: var(--monospace-font-family, ''), 'Roboto Mono';
-        font-size: var(--font-size, var(--font-size-mono, 12px));
-        line-height: var(--line-height-mono, 1.334);
+        font-size: var(--font-size, var(--font-size-code, 12px));
+        line-height: var(--line-height-code, 1.334);
       }
 
       .thread-group {