diff --git a/src/xpdev/rwlockwrap.c b/src/xpdev/rwlockwrap.c
index 549358ff838bc2db02e37f1feb6d088ce79e0c2a..85f60782c958c66cb2e24efa0b0e3baadea13a56 100644
--- a/src/xpdev/rwlockwrap.c
+++ b/src/xpdev/rwlockwrap.c
@@ -15,6 +15,7 @@ rwlock_init(rwlock_t *lock)
 	lock->writers = 0;
 	lock->writers_waiting = 0;
 	lock->writer = (DWORD)-1;
+	return true;
 }
 
 BOOL