diff --git a/lighthouse-core/gather/gather-runner.js b/lighthouse-core/gather/gather-runner.js
index 5de4e7e78974..2a8b8de0f5ad 100644
--- a/lighthouse-core/gather/gather-runner.js
+++ b/lighthouse-core/gather/gather-runner.js
@@ -118,10 +118,8 @@ class GatherRunner {
   }
 
   static disposeDriver(driver) {
-    // We dont need to hold up the reporting for the reload/disconnect,
-    // so we will not return a promise in here.
     log.log('status', 'Disconnecting from browser...');
-    driver.disconnect().catch(err => {
+    return driver.disconnect().catch(err => {
       // Ignore disconnecting error if browser was already closed.
       // See https://github.com/GoogleChrome/lighthouse/issues/1583
       if (!(/close\/.*status: 500$/.test(err.message))) {