diff --git a/src/puter-js/test/run.html b/src/puter-js/test/run.html
index 5492c892c..069be0c3f 100644
--- a/src/puter-js/test/run.html
+++ b/src/puter-js/test/run.html
@@ -6,6 +6,9 @@
     <script src="./fs.test.js"></script>
     <script src="./ai.test.js"></script>
     <style>
+        body {
+            font-family: Arial, sans-serif;
+        }
         #tests {
             margin-top: 20px;
         }