diff --git a/libobjc/ChangeLog b/libobjc/ChangeLog
index f388a68bce9..ccd88904d03 100644
--- a/libobjc/ChangeLog
+++ b/libobjc/ChangeLog
@@ -1,3 +1,7 @@
+2010-10-10  Nicola Pero  <nicola.pero@meta-innovation.com>
+
+	* objc-sync.c: Include objc-private/common.h.
+
 2010-10-10  Nicola Pero  <nicola.pero@meta-innovation.com>
 
 	* objc-foreach.c: Include objc-private/common.h.
diff --git a/libobjc/objc-sync.c b/libobjc/objc-sync.c
index 7f42115bfb0..97349e64029 100644
--- a/libobjc/objc-sync.c
+++ b/libobjc/objc-sync.c
@@ -77,6 +77,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 # define SYNC_CACHE_DISABLE
 #endif
 
+#include "objc-private/common.h"
 #include "objc/objc-sync.h"         /* For objc_sync_enter(), objc_sync_exit() */
 #include "objc/objc-api.h"          /* For objc_malloc() */
 #include "objc/thr.h"               /* For objc_mutex_loc() and similar */