diff --git a/resources/definitions/anycubic_i3_mega_x.def.json b/resources/definitions/anycubic_i3_mega_x.def.json
index c9fcddfc6c..52ce84bd33 100644
--- a/resources/definitions/anycubic_i3_mega_x.def.json
+++ b/resources/definitions/anycubic_i3_mega_x.def.json
@@ -27,7 +27,7 @@
         "speed_travel": { "value": 100.0,  "maximum_value": 120.0 },
 
         "acceleration_print": { "value": 400 },
-        "acceleration_travel": { "value": 400 }
+        "acceleration_travel": { "value": 400 },
         
         "retraction_speed": { "value": 30, "maximum_value_warning": 60 },
         "retraction_retract_speed": { "maximum_value_warning": 60 },