diff --git a/test/pytest/test_prometheus.py b/test/pytest/test_prometheus.py
index 4ae44b824863e991d1ecc58e8a4a537cff7ef3a7..a4f6a5fdab88e4483542d8bc9c3fef99455d93b4 100755
--- a/test/pytest/test_prometheus.py
+++ b/test/pytest/test_prometheus.py
@@ -21,7 +21,7 @@ def ignore_alert(alert):
         return True
 
     # Ignore issues fom high load during installation phase
-    if re.search(r"(KubeAPIDown|KubeletDown|NodeFilesystemSpaceFillingUp)",
+    if re.search(r"(KubeAPIDown|KubeletDown|NodeFilesystemSpaceFillingUp|NodeClockNotSynchronising)",
         alert["labels"]["alertname"]):
         return True
     # Ignore nextcloud cron jobs (https://open.greenhost.net/openappstack/openappstack/-/issues/984)