diff --git a/Sources/ElixxirDAppsSDK/Functors/GetIdFromContact.swift b/Sources/ElixxirDAppsSDK/Functors/GetIdFromContact.swift
index da6fc00cd3a96db50a1f90bb2ea8ba478fe61fab..1055a69d907aae31651646c344096c55b129ff78 100644
--- a/Sources/ElixxirDAppsSDK/Functors/GetIdFromContact.swift
+++ b/Sources/ElixxirDAppsSDK/Functors/GetIdFromContact.swift
@@ -4,7 +4,7 @@ import XCTestDynamicOverlay
 public struct GetIdFromContact {
   public var run: (Data) throws -> Data
 
-  public func callAsFunction(contact: Data) throws -> Data {
+  public func callAsFunction(_ contact: Data) throws -> Data {
     try run(contact)
   }
 }