diff --git a/src/volser/vsprocs.c b/src/volser/vsprocs.c
index 0ac7e1e2f0..f02fe44db7 100644
--- a/src/volser/vsprocs.c
+++ b/src/volser/vsprocs.c
@@ -761,6 +761,12 @@ UV_CreateVolume3(afs_uint32 aserver, afs_int32 apart, char *aname,
     /* rw,ro, bk id are related in the default case */
     /* If caller specified RW id, but not RO/BK ids, have them be RW+1 and RW+2 */
     lastid = *anewid;
+    if (aroid && *aroid != 0) {
+	lastid = MAX(lastid, *aroid);
+    }
+    if (abkid && *abkid != 0) {
+	lastid = MAX(lastid, *abkid);
+    }
     if (aroid && *aroid == 0) {
 	*aroid = ++lastid;
     }