diff --git a/tests/test_utils_pvpreload.py b/tests/test_utils_pvpreload.py
index 34b09f8c5..243ff7acb 100644
--- a/tests/test_utils_pvpreload.py
+++ b/tests/test_utils_pvpreload.py
@@ -38,6 +38,12 @@ def epics_ioc():
 def is_pv_in_cache(name):
     return any(k[0] == name for k in epics.pv._PVcache_) 
 
+def get_pv_from_cache(pvname):
+    for k, pv in _PVcache_.items():
+        if hasattr(pv, "pvname") and pv.pvname == pvname:
+            return pv
+    return None
+
 # Tests 
 
 # file_age()
@@ -85,8 +91,8 @@ def test_preload_fichier_valide(tmp_path, caplog):
     assert is_pv_in_cache(pvname_1)
     assert is_pv_in_cache(pvname_2)
 
-    pv_1 = _PVcache_[pvname_1]
-    pv_2 = _PVcache_[pvname_2]
+    pv_1 = get_pv_from_cache(pvname_1)
+    pv_2 = get_pv_from_cache(pvname_2)
 
     assert not pv_1.connected
     assert not pv_2.connected