diff --git a/gns3server/compute/iou/iou_vm.py b/gns3server/compute/iou/iou_vm.py
index fc5ce499..5bd8590e 100644
--- a/gns3server/compute/iou/iou_vm.py
+++ b/gns3server/compute/iou/iou_vm.py
@@ -1167,7 +1167,7 @@ class IOUVM(BaseNode):
                                                                                                                                  bay=adapter_number,
                                                                                                                                  unit=port_number,
                                                                                                                                  output_file=output_file,
-                                                                                                                                 data_link_type=data_link_type))
+                                                                                                                                 data_link_type=re.sub("^DLT_", "", data_link_type)))
 
     @asyncio.coroutine
     def stop_capture(self, adapter_number, port_number):