Index: src/OFApplication.m
==================================================================
--- src/OFApplication.m
+++ src/OFApplication.m
@@ -120,10 +120,12 @@
 
 	delegate = [[cls alloc] init];
 	[app setDelegate: delegate];
 
 	[app OF_run];
+
+	[delegate release];
 
 	return 0;
 }
 
 @implementation OFApplication

Index: src/OFMutableString.m
==================================================================
--- src/OFMutableString.m
+++ src/OFMutableString.m
@@ -308,12 +308,12 @@
 - (void)appendCharacters: (of_unichar_t*)characters
 		  length: (size_t)length
 {
 	void *pool = objc_autoreleasePoolPush();
 
-	return [self appendString: [OFString stringWithCharacters: characters
-							   length: length]];
+	[self appendString: [OFString stringWithCharacters: characters
+						    length: length]];
 
 	objc_autoreleasePoolPop(pool);
 }
 
 - (void)appendUTF8String: (const char*)UTF8String

Index: src/OFThread.m
==================================================================
--- src/OFThread.m
+++ src/OFThread.m
@@ -232,13 +232,13 @@
 		thread->_returnValue = [object retain];
 
 		[thread handleTermination];
 
 		thread->_running = OF_THREAD_WAITING_FOR_JOIN;
+		objc_autoreleasePoolPop(thread->_pool);
 	}
 
-	objc_autoreleasePoolPop(thread->_pool);
 	[OFAutoreleasePool OF_handleThreadTermination];
 
 	[thread release];
 
 	of_thread_exit();