diff --git a/spec-main/api-app-spec.ts b/spec-main/api-app-spec.ts
index 347dae24d2b79..9af043d5f56a3 100644
--- a/spec-main/api-app-spec.ts
+++ b/spec-main/api-app-spec.ts
@@ -370,9 +370,11 @@ describe('app module', () => {
       server!.once('error', error => done(error));
       server!.on('connection', client => {
         client.once('data', data => {
-          if (String(data) === 'false' && state === 'none') {
+          if (String(data) === '--first' && state === 'none') {
             state = 'first-launch';
-          } else if (String(data) === 'true' && state === 'first-launch') {
+          } else if (String(data) === '--second' && state === 'first-launch') {
+            state = 'second-launch';
+          } else if (String(data) === '--third' && state === 'second-launch') {
             done();
           } else {
             done(`Unexpected state: "${state}", data: "${data}"`);
@@ -381,7 +383,7 @@ describe('app module', () => {
       });
 
       const appPath = path.join(fixturesPath, 'api', 'relaunch');
-      const child = cp.spawn(process.execPath, [appPath]);
+      const child = cp.spawn(process.execPath, [appPath], '--first');
       child.stdout.on('data', (c) => console.log(c.toString()));
       child.stderr.on('data', (c) => console.log(c.toString()));
       child.on('exit', (code, signal) => {
diff --git a/spec/fixtures/api/relaunch/main.js b/spec/fixtures/api/relaunch/main.js
index 272c41f4421aa..fe10b09433cb6 100644
--- a/spec/fixtures/api/relaunch/main.js
+++ b/spec/fixtures/api/relaunch/main.js
@@ -11,11 +11,15 @@ app.whenReady().then(() => {
   const lastArg = process.argv[process.argv.length - 1];
   const client = net.connect(socketPath);
   client.once('connect', () => {
-    client.end(String(lastArg === '--second'));
+    client.end(lastArg);
   });
   client.once('end', () => {
-    if (lastArg !== '--second') {
+    if (lastArg === '--first') {
+      // Once without execPath specified
       app.relaunch({ args: process.argv.slice(1).concat('--second') });
+    } else if (lastArg !== '--second') {
+      // And once with execPath specified
+      app.relaunch({ execPath: process.argv[0], args: process.argv.slice(1).concat('--third') });
     }
     app.exit(0);
   });