diff --git a/libvncserver/main.c b/libvncserver/main.c
index 74010d0..890d758 100644
--- a/libvncserver/main.c
+++ b/libvncserver/main.c
@@ -1103,14 +1103,14 @@ void rfbScreenCleanup(rfbScreenInfoPtr screen)
   rfbReleaseClientIterator(i);
 
   if (mOnHoldClientHandlerThread) {
-    mOnHoldClientHandlerThread->exit();
+    //mOnHoldClientHandlerThread->exit();
     delete mOnHoldClientHandlerThread;
     mOnHoldClientHandlerThread = NULL;
     delete mOnHoldClientHandler;
     mOnHoldClientHandler = NULL;
   }
   if (mControlPipeHandlerThread) {
-    mControlPipeHandlerThread->exit();
+    //mControlPipeHandlerThread->exit();
     delete mControlPipeHandlerThread;
     mControlPipeHandlerThread = NULL;
     delete mControlPipeHandler;