diff --git a/src/slic3r/Utils/QidiPrinterAgent.cpp b/src/slic3r/Utils/QidiPrinterAgent.cpp
index dfd2838513..6b05480194 100644
--- a/src/slic3r/Utils/QidiPrinterAgent.cpp
+++ b/src/slic3r/Utils/QidiPrinterAgent.cpp
@@ -50,6 +50,10 @@ bool QidiPrinterAgent::fetch_filament_info(std::string dev_id)
             series_id = infer_series_id(info.model_id, info.dev_name);
         }
     }
+    if (series_id.empty()) {
+        // Fall back to the configured Orca model if Moonraker doesn't expose a usable identifier.
+        series_id = infer_series_id(device_info.model_id, device_info.model_name);
+    }
 
     // 2. Fetch filament dictionary
     QidiFilamentDict dict;