diff --git a/resources/definitions/fdmprinter.def.json b/resources/definitions/fdmprinter.def.json
index db9ae1571f..5f28f482b1 100644
--- a/resources/definitions/fdmprinter.def.json
+++ b/resources/definitions/fdmprinter.def.json
@@ -935,7 +935,7 @@
                             "type": "float",
                             "settable_per_mesh": false,
                             "settable_per_extruder": true,
-                            "resolve": "resolveOorValue('line_width')"
+                            "resolve": "resolveOrrValue('line_width')"
                         },
                         "support_interface_line_width":
                         {
@@ -8719,4 +8719,4 @@
             }
         }
     }
-}
\ No newline at end of file
+}