diff --git a/resources/definitions/elegoo_neptune_4max.def.json b/resources/definitions/elegoo_neptune_4max.def.json
index c2240594b0..9ea53650cb 100644
--- a/resources/definitions/elegoo_neptune_4max.def.json
+++ b/resources/definitions/elegoo_neptune_4max.def.json
@@ -28,28 +28,28 @@
         {
             "default_value": [
                 [
-                    [-165, -165],
-                    [-165, 165],
-                    [-161, 165],
-                    [-161, -165]
+                    [-215, -215],
+                    [-215, 215],
+                    [-211, 215],
+                    [-211, -215]
                 ],
                 [
-                    [165, 165],
-                    [165, -165],
-                    [161, -165],
-                    [161, 165]
+                    [215, 215],
+                    [215, -215],
+                    [211, -215],
+                    [211, 215]
                 ],
                 [
-                    [-165, -165],
-                    [165, -165],
-                    [-165, -161],
-                    [165, -161]
+                    [-215, -215],
+                    [215, -215],
+                    [-215, -211],
+                    [215, -211]
                 ],
                 [
-                    [-165, 165],
-                    [165, 165],
-                    [-165, 161],
-                    [165, 161]
+                    [-215, 215],
+                    [215, 215],
+                    [-215, 211],
+                    [215, 211]
                 ]
             ]
         }