diff --git a/cmd/peer-rest-client.go b/cmd/peer-rest-client.go
index 4a22a6263..13f7cc5af 100644
--- a/cmd/peer-rest-client.go
+++ b/cmd/peer-rest-client.go
@@ -232,6 +232,7 @@ func (client *peerRESTClient) doNetOBDTest(ctx context.Context, dataSize int64,
 		}
 	}
 	wg.Wait()
+	close(transferChan)
 
 	if err != nil {
 		return info, err