diff --git a/packages/playwright-core/src/server/injected/highlight.css b/packages/playwright-core/src/server/injected/highlight.css
index c159615ac8..7c7105c131 100644
--- a/packages/playwright-core/src/server/injected/highlight.css
+++ b/packages/playwright-core/src/server/injected/highlight.css
@@ -213,6 +213,7 @@ textarea.text-editor {
   margin: 6px;
   color: #333;
   outline: 1px solid transparent !important;
+  resize: none;
 }
 
 textarea.text-editor.does-not-match {