diff --git a/resources/definitions/bq_hephestos_xl.def.json b/resources/definitions/bq_hephestos_xl.def.json
index 75b756c71e..08be4b8d34 100644
--- a/resources/definitions/bq_hephestos_xl.def.json
+++ b/resources/definitions/bq_hephestos_xl.def.json
@@ -6,7 +6,7 @@
         "visible": true,
         "manufacturer": "BQ",
         "author": "BQ",
-        "file_formats": "text/x-code",
+        "file_formats": "text/x-gcode",
         "platform": "bq_hephestos_platform.stl",
         "platform_offset": [ 0, -82, 0]
     },