diff --git a/lib/web_ui/dev/steps/compile_bundle_step.dart b/lib/web_ui/dev/steps/compile_bundle_step.dart
index 16ab5e2310b1f..6601e2fe49e20 100644
--- a/lib/web_ui/dev/steps/compile_bundle_step.dart
+++ b/lib/web_ui/dev/steps/compile_bundle_step.dart
@@ -293,7 +293,7 @@ class Dart2WasmCompiler extends TestCompiler {
       arguments,
       workingDirectory: inputTestSetDirectory.path,
       failureIsSuccess: true,
-      evalOutput: true,
+      evalOutput: !isVerbose,
     );
     final int exitCode = await process.wait();