diff --git a/html/js/office-render.js b/html/js/office-render.js
index 2b6793d..ada1866 100644
--- a/html/js/office-render.js
+++ b/html/js/office-render.js
@@ -349,6 +349,7 @@ function renderPullRequestStripePattern() {
     width: 10,
     height: 10,
     patternUnits: "userSpaceOnUse",
+    patternTransform: "rotate(45)",
   });
   pattern.appendChild(el("rect", { x: 0, y: 0, width: 10, height: 3, fill: "#000000" }));
   defs.appendChild(pattern);