diff --git a/pymycobot/error.py b/pymycobot/error.py
index 9af4747..788ad98 100644
--- a/pymycobot/error.py
+++ b/pymycobot/error.py
@@ -311,8 +311,8 @@ def calibration_parameters(**kwargs):
     "MyArmM": {
         "joint_id": [1, 2, 3, 4, 5, 6, 7],
         "servo_id": [1, 2, 3, 4, 5, 6, 7, 8],
-        "angles_min": [-168, -77, -86, -159, -95, -161, -118],
-        "angles_max": [172, 90, 91, 148, 84, 146, 2],
+        "angles_min": [-170, -83, -90, -155, -91, -153, -118],
+        "angles_max": [170, 83, 84, 153, 88, 153, 2],
         "encoders_min": [137, 1163, 1035, 1013, 248, 979, 220, 706],
         "encoders_max": [4004, 2945, 3079, 3026, 3724, 2994, 3704, 2048],
     }