diff --git a/Scripts/fastlane.sh b/Scripts/fastlane.sh
index 98f6b2f6..3ac9d13a 100644
--- a/Scripts/fastlane.sh
+++ b/Scripts/fastlane.sh
@@ -13,7 +13,7 @@ if [[ $GITHUB_EVENT_NAME == 'pull_request'  ]]; then
   exit 1
 fi
 
-  if [[ $OS == 'macos-latest' ]]; then
+  if [[ $RUNNER_OS == 'macOS' ]]; then
     cd ios
     echo "$APPLE_SECRETS" > APPLE_SECRETS.json
     bundle exec fastlane beta