diff --git a/xcode/.swiftlint.yml b/xcode/.swiftlint.yml
index 5ffd1da..6acd37c 100644
--- a/xcode/.swiftlint.yml
+++ b/xcode/.swiftlint.yml
@@ -247,7 +247,7 @@ custom_rules:
 
   parameter_repetition:
     name: "Parameter repetition"
-    regex: 'func ((\w+[A-Z])?\w+) *(<.+>)? *\( *(?i)\1:'
+    regex: 'func ((\w+([A-Z]\w+))|(\w+)) *(<.+>)? *\( *(?i)(\3|\4):'
     message: "The parameter name is actually used in the function name. Use _ instead."
     severity: error