diff --git a/Source/SocketAckEmitter.swift b/Source/SocketAckEmitter.swift
index 07fd239..2132ad6 100644
--- a/Source/SocketAckEmitter.swift
+++ b/Source/SocketAckEmitter.swift
@@ -46,7 +46,7 @@ public final class SocketAckEmitter : NSObject {
     }
         
     public func isRequired() -> Bool {
-        return ackNum != -1;
+        return ackNum != -1
     }
 }