2 files changed, 5 insertions, 2 deletions
diff --git a/src/core/basetypes/MCObject.cpp b/src/core/basetypes/MCObject.cpp
index c9d8d464..65f67588 100644
--- a/src/core/basetypes/MCObject.cpp
+++ b/src/core/basetypes/MCObject.cpp
@@ -341,8 +341,10 @@ void Object::performMethodOnDispatchQueueAfterDelay(Method method, void * contex
     initDelayedPerform();
     
     __block bool cancelled = false;
-    
+
+    void (^dupCancelableBlock)(bool cancel) = NULL;
     void (^cancelableBlock)(bool cancel) = ^(bool cancel) {
+        Block_release(dupCancelableBlock);
         if (cancel) {
             cancelled = true;
             return;
@@ -352,7 +354,7 @@ void Object::performMethodOnDispatchQueueAfterDelay(Method method, void * contex
         }
     };
     
-    void (^dupCancelableBlock)(bool cancel) = Block_copy(cancelableBlock);
+    dupCancelableBlock = Block_copy(cancelableBlock);
     
     retain();
     addToPerformHash(this, method, context, targetDispatchQueue, (void *) dupCancelableBlock);
diff --git a/src/core/basetypes/MCOperationQueue.cpp b/src/core/basetypes/MCOperationQueue.cpp
index bfe3a6fb..0652eb75 100644
--- a/src/core/basetypes/MCOperationQueue.cpp
+++ b/src/core/basetypes/MCOperationQueue.cpp
@@ -258,6 +258,7 @@ void OperationQueue::startThread()
     mQuitting = false;
     mStarted = true;
     pthread_create(&mThreadID, NULL, (void * (*)(void *)) OperationQueue::runOperationsOnThread, this);
+    pthread_detach(mThreadID);
     mailsem_down(mStartSem);
 }