diff --git a/tacker/common/exceptions.py b/tacker/common/exceptions.py
index d8c4fb9a2..b367151a5 100644
--- a/tacker/common/exceptions.py
+++ b/tacker/common/exceptions.py
@@ -287,7 +287,7 @@ class VNFPackageURLInvalid(Invalid):
 
 
 class VnfPackageLocationInvalid(Invalid):
-    message = _("Failed to find location: %(location)")
+    message = _("Failed to find location: %(location)s")
 
 
 class InvalidZipFile(Invalid):
diff --git a/tacker/vnfm/infra_drivers/openstack/openstack.py b/tacker/vnfm/infra_drivers/openstack/openstack.py
index 81807c780..05d45aaba 100644
--- a/tacker/vnfm/infra_drivers/openstack/openstack.py
+++ b/tacker/vnfm/infra_drivers/openstack/openstack.py
@@ -700,7 +700,7 @@ class OpenStack(abstract_driver.VnfAbstractDriver,
                           {'image_uuid': image_uuid, 'status': status})
                 return True
             time.sleep(self.IMAGE_RETRY_WAIT)
-            LOG.debug('Image %(image_uuid)s status: %(status)',
+            LOG.debug('Image %(image_uuid)s status: %(status)s',
                       {"image_uuid": image_uuid, "status": status})
 
             if retries == 0 and image.status != expected_status: