diff --git a/spec/chromium-spec.js b/spec/chromium-spec.js
index 2d388ca3b5..871af98b4d 100644
--- a/spec/chromium-spec.js
+++ b/spec/chromium-spec.js
@@ -147,6 +147,7 @@ describe('chromium feature', () => {
           }, () => done())
         }
       })
+      w.webContents.on('crashed', () => done(new Error('WebContents crashed.')))
       w.loadURL(`file://${fixtures}/pages/service-worker/index.html`)
     })
 
@@ -184,6 +185,7 @@ describe('chromium feature', () => {
           })
         }
       })
+      w.webContents.on('crashed', () => done(new Error('WebContents crashed.')))
       w.loadURL(`file://${fixtures}/pages/service-worker/index.html`)
     })
   })