diff --git a/src/vol/vnode.h b/src/vol/vnode.h
index efde399cb5..0bf7245082 100644
--- a/src/vol/vnode.h
+++ b/src/vol/vnode.h
@@ -138,7 +138,7 @@ typedef struct Vnode {
     VnodeId vnodeNumber;
     struct Volume
      *volumePtr;		/* Pointer to the volume containing this file */
-    byte nUsers;		/* Number of lwp's who have done a VGetVnode */
+    bit32 nUsers;		/* Number of lwp's who have done a VGetVnode */
     bit32 cacheCheck;		/* Must equal the value in the volume Header
 				 * for the cache entry to be valid */
     struct Lock lock;		/* Internal lock */