diff --git a/compute_hyperv/nova/driver.py b/compute_hyperv/nova/driver.py
index c97cc5ed..5525fc8e 100644
--- a/compute_hyperv/nova/driver.py
+++ b/compute_hyperv/nova/driver.py
@@ -105,6 +105,7 @@ class HyperVDriver(driver.ComputeDriver):
         "supports_tagged_attach_volume": True,
         "supports_extend_volume": True,
         "supports_multiattach": False,
+        "supports_trusted_certs": True,
     }
 
     def __init__(self, virtapi):
diff --git a/compute_hyperv/nova/imagecache.py b/compute_hyperv/nova/imagecache.py
index d8c47bed..9d47a6ab 100644
--- a/compute_hyperv/nova/imagecache.py
+++ b/compute_hyperv/nova/imagecache.py
@@ -121,7 +121,8 @@ class ImageCache(imagecache.ImageCacheManager):
 
             if not image_path:
                 try:
-                    images.fetch(context, image_id, base_image_path)
+                    images.fetch(context, image_id, base_image_path,
+                                 instance.trusted_certs)
                     if image_type == 'iso':
                         format_ext = 'iso'
                     else:
diff --git a/compute_hyperv/tests/fake_instance.py b/compute_hyperv/tests/fake_instance.py
index 8bec07e1..42914cff 100644
--- a/compute_hyperv/tests/fake_instance.py
+++ b/compute_hyperv/tests/fake_instance.py
@@ -40,6 +40,7 @@ def fake_db_instance(**updates):
                   'flavor': flavorinfo,
                   'numa_topology': None,
                   'vcpu_model': None,
+                  'trusted_certs': None,
                  },
         'tags': [],
         'services': []
diff --git a/compute_hyperv/tests/unit/test_imagecache.py b/compute_hyperv/tests/unit/test_imagecache.py
index b0666668..1df8ee2a 100644
--- a/compute_hyperv/tests/unit/test_imagecache.py
+++ b/compute_hyperv/tests/unit/test_imagecache.py
@@ -49,7 +49,9 @@ class ImageCacheTestCase(test_base.HyperVBaseTestCase):
         super(ImageCacheTestCase, self).setUp()
 
         self.context = 'fake-context'
-        self.instance = fake_instance.fake_instance_obj(self.context)
+        self.instance = fake_instance.fake_instance_obj(
+            self.context,
+            expected_attrs=['trusted_certs'])
 
         self.imagecache = imagecache.ImageCache()
         self.tmpdir = self.useFixture(fixtures.TempDir()).path
@@ -120,7 +122,8 @@ class ImageCacheTestCase(test_base.HyperVBaseTestCase):
         self.assertEqual(expected_image_path, result)
 
         mock_fetch.assert_called_once_with(self.context, self.FAKE_IMAGE_REF,
-                                           expected_path)
+                                           expected_path,
+                                           self.instance.trusted_certs)
         self.imagecache._vhdutils.get_vhd_format.assert_called_once_with(
             expected_path)
         self.imagecache._pathutils.rename.assert_called_once_with(
@@ -178,7 +181,8 @@ class ImageCacheTestCase(test_base.HyperVBaseTestCase):
 
         mock_fetch.assert_called_once_with(self.context,
                                            fake_rescue_image_id,
-                                           expected_path)
+                                           expected_path,
+                                           self.instance.trusted_certs)
         self.imagecache._vhdutils.get_vhd_info.assert_called_once_with(
             expected_vhd_path)