diff --git a/sys/vm/vm_object.h b/sys/vm/vm_object.h
index 48ba743bf2ec..ab3c7d3af30f 100644
--- a/sys/vm/vm_object.h
+++ b/sys/vm/vm_object.h
@@ -199,7 +199,7 @@ struct vm_object {
 
 #define OBJPC_SYNC	0x1			/* sync I/O */
 #define OBJPC_INVAL	0x2			/* invalidate */
-#define OBJPC_NOSYNC	0x4			/* skip if PG_NOSYNC */
+#define OBJPC_NOSYNC	0x4			/* skip if VPO_NOSYNC */
 
 /*
  * The following options are supported by vm_object_page_remove().