diff --git a/lib/cocoa/src/protocol/TBinaryProtocol.m b/lib/cocoa/src/protocol/TBinaryProtocol.m
index 5999e25..b272716 100644
--- a/lib/cocoa/src/protocol/TBinaryProtocol.m
+++ b/lib/cocoa/src/protocol/TBinaryProtocol.m
@@ -37,7 +37,7 @@
 }
 
 - (TBinaryProtocol *) newProtocolOnTransport: (id <TTransport>) transport {
-  return [[[TBinaryProtocol alloc] initWithTransport: transport] autorelease];
+  return [[TBinaryProtocol alloc] initWithTransport: transport];
 }
 
 @end
diff --git a/lib/cocoa/src/server/TSocketServer.m b/lib/cocoa/src/server/TSocketServer.m
index 23b3d10..5f7fa3c 100644
--- a/lib/cocoa/src/server/TSocketServer.m
+++ b/lib/cocoa/src/server/TSocketServer.m
@@ -124,8 +124,8 @@
   TNSFileHandleTransport * transport = [[TNSFileHandleTransport alloc] initWithFileHandle: clientSocket];
   id<TProcessor> processor = [mProcessorFactory processorForTransport: transport];
   
-  id <TProtocol> inProtocol = [mInputProtocolFactory newProtocolOnTransport: transport];
-  id <TProtocol> outProtocol = [mOutputProtocolFactory newProtocolOnTransport: transport];
+  id <TProtocol> inProtocol = [[mInputProtocolFactory newProtocolOnTransport: transport] autorelease];
+  id <TProtocol> outProtocol = [[mOutputProtocolFactory newProtocolOnTransport: transport] autorelease];
 
   @try {
     BOOL result = NO;