diff --git a/tools_webrtc/ios/internal.client.webrtc/iOS64_Perf.json b/tools_webrtc/ios/internal.client.webrtc/iOS64_Perf.json
index c71c0a8dec..f1345110b6 100644
--- a/tools_webrtc/ios/internal.client.webrtc/iOS64_Perf.json
+++ b/tools_webrtc/ios/internal.client.webrtc/iOS64_Perf.json
@@ -22,7 +22,7 @@
     {
       "include": "perf_tests.json",
       "device type": "iPhone 7",
-      "os": "11.4.1"
+      "os": "11.0.3"
     }
   ]
 }