diff --git a/manila/compute/nova.py b/manila/compute/nova.py
index 87661e523e..2e742f2c73 100644
--- a/manila/compute/nova.py
+++ b/manila/compute/nova.py
@@ -75,6 +75,8 @@ def novaclient(context):
             CONF.nova_admin_password,
             CONF.nova_admin_tenant_name,
             CONF.nova_admin_auth_url,
+            insecure=CONF.nova_api_insecure,
+            cacert=CONF.nova_ca_certificates_file,
         )
         c.authenticate()
         return c
diff --git a/manila/volume/cinder.py b/manila/volume/cinder.py
index f83413432a..9e6ba72bcf 100644
--- a/manila/volume/cinder.py
+++ b/manila/volume/cinder.py
@@ -78,7 +78,9 @@ def cinderclient(context):
                                  CONF.cinder_admin_password,
                                  CONF.cinder_admin_tenant_name,
                                  CONF.cinder_admin_auth_url,
-                                 retries=CONF.cinder_http_retries,)
+                                 insecure=CONF.cinder_api_insecure,
+                                 retries=CONF.cinder_http_retries,
+                                 cacert=CONF.cinder_ca_certificates_file)
         c.authenticate()
         return c