diff --git a/src/morevna.py b/src/morevna.py
--- a/src/morevna.py
+++ b/src/morevna.py
@@ -67,7 +67,7 @@ def pull(args):
 			c.setConnection(con)
 			c.init("pull")
 			blocksToTransfer=c.negotiate()
-			c.pullData(blocksToTransfer)
+			c.pullData(blocksToTransfer,args.force)
 		print()
 		print(stats.report())
 	except FailedConnection: pass
@@ -108,6 +108,7 @@ pUpdate=subparsers.add_parser("pull")
 pUpdate.add_argument("-p","--port",type=int)
 pUpdate.add_argument("--host")
 pUpdate.add_argument("-t","--tree",help="stored hash tree location")
+pUpdate.add_argument("-f","--force",action="store_true",help="ignore lock file")
 pUpdate.add_argument("datafile")
 pUpdate.set_defaults(func=pull)