diff --git a/Source/NSThread.m b/Source/NSThread.m
index 63c4ba80b..d75c31da7 100644
--- a/Source/NSThread.m
+++ b/Source/NSThread.m
@@ -40,7 +40,7 @@
 #if !(HAVE_PTHREAD_SPIN_LOCK)
 #warning no spin_locks, using dummy versions
 typedef int pthread_spinlock_t;
-int pthread_spin_init(pthread_spinlock_t *lock, int pshared
+int pthread_spin_init(pthread_spinlock_t *lock, int pshared)
 {
   NSDebugLog(@"NSThread.m: Warning this platform does not support spin locks");
   return 0;