diff --git a/test/perf/metrics-ios.yml b/test/perf/metrics-ios.yml
index 1f745c582..e46a97f12 100644
--- a/test/perf/metrics-ios.yml
+++ b/test/perf/metrics-ios.yml
@@ -6,7 +6,7 @@ apps:
 
 startupTimeTest:
   runs: 50
-  diffMin: 0
+  diffMin: -20
   diffMax: 150
 
 binarySizeTest: