diff --git a/tests/test_utils_hastyepics.py b/tests/test_utils_hastyepics.py
index a4583bbd5..984bd4845 100644
--- a/tests/test_utils_hastyepics.py
+++ b/tests/test_utils_hastyepics.py
@@ -7,12 +7,16 @@ import sys
 import os
 sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), '..')))
 from slic.utils.hastyepics import *
-from unittest.mock import patch
+from unittest.mock import patch, PropertyMock
 
 def test_motor_instantiation_fast_vs_epics():
 
     fast_times = []
     slow_times = []
+
+    # Mock to simulate a real EPICS moteur
+    with patch('epics.Motor.get') as mock_get, \
+         patch('epics.Motor.RTYP', new_callable=PropertyMock) as mock_rtyp:
     
     # Mean of 10 runs 
     for _ in range(10):