diff --git a/lib/resources/src/main-cli.js b/lib/resources/src/main-cli.js
index a4474012d..13c32fae3 100644
--- a/lib/resources/src/main-cli.js
+++ b/lib/resources/src/main-cli.js
@@ -13,5 +13,5 @@ export function configure(aurelia) {
     aurelia.use.plugin('aurelia-testing');
   }
 
-  aurelia.start().then(() => aurelia.setRoot());
+  return aurelia.start().then(() => aurelia.setRoot());
 }
diff --git a/lib/resources/src/main-cli.ts b/lib/resources/src/main-cli.ts
index e3a450bec..ed0e56be8 100644
--- a/lib/resources/src/main-cli.ts
+++ b/lib/resources/src/main-cli.ts
@@ -14,5 +14,5 @@ export function configure(aurelia: Aurelia) {
     aurelia.use.plugin('aurelia-testing');
   }
 
-  aurelia.start().then(() => aurelia.setRoot());
+  return aurelia.start().then(() => aurelia.setRoot());
 }
diff --git a/lib/resources/src/main-webpack.js b/lib/resources/src/main-webpack.js
index c7e9b0d02..c78344924 100644
--- a/lib/resources/src/main-webpack.js
+++ b/lib/resources/src/main-webpack.js
@@ -26,5 +26,5 @@ export function configure(aurelia) {
     aurelia.use.plugin(PLATFORM.moduleName('aurelia-testing'));
   }
 
-  aurelia.start().then(() => aurelia.setRoot(PLATFORM.moduleName('app')));
+  return aurelia.start().then(() => aurelia.setRoot(PLATFORM.moduleName('app')));
 }
diff --git a/lib/resources/src/main-webpack.ts b/lib/resources/src/main-webpack.ts
index c7829407c..ec1199da0 100644
--- a/lib/resources/src/main-webpack.ts
+++ b/lib/resources/src/main-webpack.ts
@@ -28,5 +28,5 @@ export function configure(aurelia: Aurelia) {
     aurelia.use.plugin(PLATFORM.moduleName('aurelia-testing'));
   }
 
-  aurelia.start().then(() => aurelia.setRoot(PLATFORM.moduleName('app')));
+  return aurelia.start().then(() => aurelia.setRoot(PLATFORM.moduleName('app')));
 }