diff --git a/resources/profiles/Snapmaker/machine/Snapmaker J1.json b/resources/profiles/Snapmaker/machine/Snapmaker J1.json
index 019ba7251e9..d08865471c4 100644
--- a/resources/profiles/Snapmaker/machine/Snapmaker J1.json	
+++ b/resources/profiles/Snapmaker/machine/Snapmaker J1.json	
@@ -2,7 +2,7 @@
     "type": "machine_model",
     "name": "Snapmaker J1",
     "model_id": "SnapmakerJ1",
-    "nozzle_diameter": "0.4;0,6",
+    "nozzle_diameter": "0.4;0.6",
     "machine_tech": "FFF",
     "family": "Snapmaker",
     "bed_model": "",