Index: src/OFAutoreleasePool.m
==================================================================
--- src/OFAutoreleasePool.m
+++ src/OFAutoreleasePool.m
@@ -25,17 +25,15 @@
  * Use NULL for TLS values and nil for instance variables.
  */
 
 static of_tlskey_t first_key, last_key;
 
-#ifndef _WIN32 /* Not used on Win32 yet */
 static void
 release_all(id obj)
 {
 	[of_tlskey_get(first_key) release];
 }
-#endif
 
 @implementation OFAutoreleasePool
 + (void)initialize
 {
 	if (self != [OFAutoreleasePool class])

Index: src/threading.h
==================================================================
--- src/threading.h
+++ src/threading.h
@@ -25,22 +25,22 @@
 
 #ifndef _WIN32
 #define of_thread_is_current(t) pthread_equal(t, pthread_self())
 #define of_thread_current() pthread_self()
 #else
-#define of_thread_is_current(t) (t == GetCurrentThreadId())
-#define of_thread_current() GetCurrentThreadId()
+#define of_thread_is_current(t) (t == GetCurrentThread())
+#define of_thread_current() GetCurrentThread()
 #endif
 
 static OF_INLINE BOOL
 of_thread_new(of_thread_t *thread, id (*main)(id), id data)
 {
 #ifndef _WIN32
 	return (pthread_create(thread, NULL, (void*(*)(void*))main,
 	    (void*)data) ? NO : YES);
 #else
-	*thread = CreateThread(NULL, 0, (void*(*)(void*))main,
+	*thread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)main,
 	    (void*)data, 0, NULL);
 
 	return (thread == NULL ? NO : YES);
 #endif
 }