diff --git a/Sources/FirebaseFirestore/Firestore+Swift.swift b/Sources/FirebaseFirestore/Firestore+Swift.swift
index 36fbf28..89e5993 100644
--- a/Sources/FirebaseFirestore/Firestore+Swift.swift
+++ b/Sources/FirebaseFirestore/Firestore+Swift.swift
@@ -39,6 +39,10 @@ extension Firestore {
     swift_firebase.swift_cxx_shims.firebase.firestore.firestore_collection(self, std.string(collectionPath))
   }
 
+  public func runTransaction(_ updateBlock: @escaping (Transaction, NSErrorPointer) -> Any, completion: @escaping (Any?, Error?) -> Void) {
+    runTransaction(with: nil, block: updateBlock, completion: completion)
+  }
+
   public func runTransaction(_ updateBlock: @escaping (Transaction, NSErrorPointer) -> Any?, completion: @escaping (Any?, Error?) -> Void) {
     runTransaction(with: nil, block: updateBlock, completion: completion)
   }