diff --git a/resources/definitions/sovol_sv08.def.json b/resources/definitions/sovol_sv08.def.json
index 95a03f6e99..147b839fbf 100644
--- a/resources/definitions/sovol_sv08.def.json
+++ b/resources/definitions/sovol_sv08.def.json
@@ -124,12 +124,7 @@
         "travel_avoid_other_parts": { "default_value": false },
         "wall_line_width": { "value": "machine_nozzle_size" },
         "wall_overhang_angle": { "default_value": 75 },
-        "wall_overhang_speed_factors":
-        {
-            "default_value": [
-                50
-            ]
-        },
+        "wall_overhang_speed_factors": { "default_value": "[50]" },
         "zig_zaggify_infill": { "value": true }
     }
-}
\ No newline at end of file
+}