diff --git a/packages/wb/src/commands/retry.ts b/packages/wb/src/commands/retry.ts
index 0e1af1f3..d09a5d6a 100644
--- a/packages/wb/src/commands/retry.ts
+++ b/packages/wb/src/commands/retry.ts
@@ -48,6 +48,11 @@ export const retryCommand: CommandModule<
       // TODO: should we add single quotes around each argument?
       lastStatus = await runWithSpawn(cmdAndArgs.join(' '), project, argv, {
         exitIfFailed: false,
+        onSignal: (signal) => {
+          if (signal) {
+            process.exit(1);
+          }
+        },
       });
       if (lastStatus === 0) return;
     }
diff --git a/packages/wb/src/scripts/execution/baseScripts.ts b/packages/wb/src/scripts/execution/baseScripts.ts
index 5255455f..4cde2796 100644
--- a/packages/wb/src/scripts/execution/baseScripts.ts
+++ b/packages/wb/src/scripts/execution/baseScripts.ts
@@ -84,7 +84,8 @@ export abstract class BaseScripts {
   }
   async testStart(project: Project, argv: ScriptArgv): Promise<string> {
     await checkAndKillPortProcess(project.env.PORT, project);
-    return `YARN concurrently --kill-others --raw --success first "${this.startDevProtected(project, argv)}" "${this.waitApp(project)}"`;
+    // Use empty NODE_ENV to avoid "production" mode in some frameworks like Blitz.js.
+    return `NODE_ENV="" YARN concurrently --kill-others --raw --success first "${this.startDevProtected(project, argv)}" "${this.waitApp(project)}"`;
   }
 
   async testE2EProtected(
diff --git a/packages/wb/src/scripts/run.ts b/packages/wb/src/scripts/run.ts
index 5fe302da..76ab30b9 100644
--- a/packages/wb/src/scripts/run.ts
+++ b/packages/wb/src/scripts/run.ts
@@ -10,6 +10,7 @@ import { isRunningOnBun, packageManagerWithRun } from '../utils/runtime.js';
 interface Options {
   ci?: boolean;
   exitIfFailed?: boolean;
+  onSignal?: (signal: NodeJS.Signals | null) => void;
   forceColor?: boolean;
   timeout?: number;
 }
@@ -43,6 +44,7 @@ export async function runWithSpawn(
     killOnExit: true,
     verbose: argv.verbose,
   });
+  opts.onSignal?.(ret.signal);
   printFinishedAndExitIfNeeded(normalizedScript.printable, ret.status, opts);
   return ret.status ?? 1;
 }
@@ -75,6 +77,7 @@ export function runWithSpawnInParallel(
       killOnExit: true,
       verbose: argv.verbose,
     });
+    opts.onSignal?.(ret.signal);
     printStart(normalizedScript.printable, project, 'Started (log)');
     if (argv.verbose) {
       printStart(normalizedScript.runnable, project, 'Started (raw)', true);