diff --git a/packages/cli-plugin-dev/src/index.ts b/packages/cli-plugin-dev/src/index.ts
index 271aa352..37a12f5a 100644
--- a/packages/cli-plugin-dev/src/index.ts
+++ b/packages/cli-plugin-dev/src/index.ts
@@ -227,6 +227,9 @@ export class DevPlugin extends BasePlugin {
         }
       }
 
+      execArgv = execArgv.concat(process.execArgv);
+      execArgv.push('--conditions', 'ts-node');
+
       this.child = fork(require.resolve('./child'), [JSON.stringify(options)], {
         cwd: this.core.cwd,
         env: {