diff --git a/lib/core/seleniumRunner.js b/lib/core/seleniumRunner.js
index <HASH>..<HASH> 100644
--- a/lib/core/seleniumRunner.js
+++ b/lib/core/seleniumRunner.js
@@ -33,7 +33,7 @@ class SeleniumRunner {
           this.driver = driver;
         }))
         .timeout(this.options.timeouts.browserStart,
-          new Error(util.format('Failed to start browser in %d seconds.',
+          new UrlLoadError(util.format('Failed to start browser in %d seconds.',
             this.options.timeouts.browserStart / 1000)));
     }
always throw UrlLoadError for errors