diff --git a/packages/trace-viewer/src/ui/networkResourceDetails.css b/packages/trace-viewer/src/ui/networkResourceDetails.css
index 54a92ce07c853..833c13b6b9111 100644
--- a/packages/trace-viewer/src/ui/networkResourceDetails.css
+++ b/packages/trace-viewer/src/ui/networkResourceDetails.css
@@ -40,5 +40,5 @@
 }
 
 .network-request-details .cm-wrapper {
-  height: 300px;
+  overflow: hidden;
 }