diff --git a/lib/cocoa/src/server/TSocketServer.m b/lib/cocoa/src/server/TSocketServer.m
index 057f41f..4941445 100644
--- a/lib/cocoa/src/server/TSocketServer.m
+++ b/lib/cocoa/src/server/TSocketServer.m
@@ -96,7 +96,7 @@
 
 
 - (void) dealloc {
-  [[NSNotificationCenter defaultCenter] removeObject: self];
+  [[NSNotificationCenter defaultCenter] removeObserver:self];
   [mInputProtocolFactory release_stub];
   [mOutputProtocolFactory release_stub];
   [mProcessorFactory release_stub];