diff --git a/xcode/.swiftlint.yml b/xcode/.swiftlint.yml
index fee2739..a16f257 100644
--- a/xcode/.swiftlint.yml
+++ b/xcode/.swiftlint.yml
@@ -229,7 +229,7 @@ custom_rules:
 
   single_line_closure:
     name: "Single line closure"
-    regex: '\{ \[[^\]]+\] [^\n\/]+ in [^\n\/]+'
+    regex: '(\{([^\n]*\[[^\]]+\][^\n]*)?([^\n]*[a-zA-Z]+(, (_|[a-zA-Z]+))*)? in)|(\{[^\n]+ in [^\n]+)'
     message: "Make a new line after `in` keyword in closure"
     severity: error