diff --git a/packages/browser/src/integrations/globalhandlers.ts b/packages/browser/src/integrations/globalhandlers.ts
index b417ee72f3ae..07d8208f1f66 100644
--- a/packages/browser/src/integrations/globalhandlers.ts
+++ b/packages/browser/src/integrations/globalhandlers.ts
@@ -101,6 +101,8 @@ function _installGlobalOnErrorHandler(): void {
               column,
             );
 
+      event.level = Severity.Error;
+
       addMechanismAndCapture(hub, error, event, 'onerror');
     },
   );