diff --git a/packages/ui/src/main/window/mainWindow.ts b/packages/ui/src/main/window/mainWindow.ts
index 35b02e4..214f64d 100644
--- a/packages/ui/src/main/window/mainWindow.ts
+++ b/packages/ui/src/main/window/mainWindow.ts
@@ -175,7 +175,7 @@ export function createMainWindow(): void {
             break
           }
           default: {
-            reject(exitCode)
+            reject('PUPPETEER_DOWNLOAD_ENCOUNTER_ERROR')
             break
           }
         }