diff --git a/ops-sunbeam/advanced_sunbeam_openstack/charm.py b/ops-sunbeam/advanced_sunbeam_openstack/charm.py
index 036418f1..4aa3d055 100644
--- a/ops-sunbeam/advanced_sunbeam_openstack/charm.py
+++ b/ops-sunbeam/advanced_sunbeam_openstack/charm.py
@@ -47,9 +47,7 @@ import advanced_sunbeam_openstack.container_handlers as sunbeam_chandlers
 import advanced_sunbeam_openstack.core as sunbeam_core
 import advanced_sunbeam_openstack.relation_handlers as sunbeam_rhandlers
 
-from charms.observability_libs.v0.kubernetes_service_patch import (
-    KubernetesServicePatch,
-)
+import charms.observability_libs.v0.kubernetes_service_patch as kube_svc_patch
 
 logger = logging.getLogger(__name__)
 
@@ -362,7 +360,7 @@ class OSBaseOperatorAPICharm(OSBaseOperatorCharm):
         """Run constructor."""
         super().__init__(framework)
         self._state.set_default(db_ready=False)
-        self.service_patcher = KubernetesServicePatch(
+        self.service_patcher = kube_svc_patch.KubernetesServicePatch(
             self,
             service_type="LoadBalancer",
             ports=[(f"{self.app.name}", self.default_public_ingress_port)],
diff --git a/ops-sunbeam/unit_tests/test_core.py b/ops-sunbeam/unit_tests/test_core.py
index ae8e2355..e2ac9aba 100644
--- a/ops-sunbeam/unit_tests/test_core.py
+++ b/ops-sunbeam/unit_tests/test_core.py
@@ -14,6 +14,7 @@
 
 """Test aso."""
 
+import mock
 import json
 import sys
 
@@ -82,11 +83,12 @@ class TestOSBaseOperatorCharm(test_utils.CharmTestCase):
 class TestOSBaseOperatorAPICharm(test_utils.CharmTestCase):
     """Test for the OSBaseOperatorAPICharm class."""
 
-    PATCHES = [
-        'KubernetesServicePatch',
-    ]
+    PATCHES = []
 
-    def setUp(self) -> None:
+    @mock.patch(
+        'charms.observability_libs.v0.kubernetes_service_patch.'
+        'KubernetesServicePatch')
+    def setUp(self, mock_svc_patch: mock.patch) -> None:
         """Charm test class setup."""
         self.container_calls = {
             'push': {},