diff --git a/placement/objects/resource_provider.py b/placement/objects/resource_provider.py
index adab69f88..a7ff5f8c7 100644
--- a/placement/objects/resource_provider.py
+++ b/placement/objects/resource_provider.py
@@ -3201,7 +3201,7 @@ class AllocationCandidates(object):
                 # non-existing resource provider UUID is given for in_tree.
                 return [], []
             tree_root_id = tree_ids.root_id
-            LOG.debug("getting allocation candidates in the same tree"
+            LOG.debug("getting allocation candidates in the same tree "
                       "with the root provider %s", tree_ids.root_uuid)
 
         any_sharing = any(sharing_providers.values())