diff --git a/src/slic3r/GUI/SendMultiMachinePage.cpp b/src/slic3r/GUI/SendMultiMachinePage.cpp
index 9b1226cb8..71e2aba34 100644
--- a/src/slic3r/GUI/SendMultiMachinePage.cpp
+++ b/src/slic3r/GUI/SendMultiMachinePage.cpp
@@ -634,8 +634,10 @@ void SendMultiMachinePage::on_send(wxCommandEvent& event)
 
         if (obj && obj->is_online() && !obj->can_abort() && !obj->is_in_upgrading() && it->second->get_state_selected() == 1 && it->second->state_printable <= 2) {
 
-            BBL::PrintParams params = request_params(obj);
-            print_params.push_back(params);
+            if (!it->second->is_blocking_printing(obj)) {
+                BBL::PrintParams params = request_params(obj);
+                print_params.push_back(params);
+            }
         }
     }