diff --git a/src/slic3r/GUI/SelectMachine.cpp b/src/slic3r/GUI/SelectMachine.cpp
index 5593515d54..2119632d38 100644
--- a/src/slic3r/GUI/SelectMachine.cpp
+++ b/src/slic3r/GUI/SelectMachine.cpp
@@ -2244,9 +2244,13 @@ bool SelectMachineDialog::is_same_printer_model()
     }
 
     PresetBundle* preset_bundle = wxGetApp().preset_bundle;
-    if (preset_bundle && preset_bundle->printers.get_edited_preset().get_printer_type(preset_bundle) != obj_->printer_type) {
-        BOOST_LOG_TRIVIAL(info) << "printer_model: source = " << preset_bundle->printers.get_edited_preset().get_printer_type(preset_bundle);
-        BOOST_LOG_TRIVIAL(info) << "printer_model: target = " << obj_->printer_type;
+    if(preset_bundle == nullptr) return result;
+    const auto source_model = preset_bundle->printers.get_edited_preset().get_printer_type(preset_bundle);
+    const auto target_model = obj_->printer_type;
+    // Orca: ignore P1P -> P1S
+    if (source_model != target_model && !(target_model == "C11" && source_model == "C12")) {
+        BOOST_LOG_TRIVIAL(info) << "printer_model: source = " << source_model;
+        BOOST_LOG_TRIVIAL(info) << "printer_model: target = " << target_model;
         return false;
     }