diff --git a/passbook/policies/engine.py b/passbook/policies/engine.py
index 143ad6473..c465b5ae5 100644
--- a/passbook/policies/engine.py
+++ b/passbook/policies/engine.py
@@ -74,9 +74,10 @@ class PolicyEngine:
         for binding in self._iter_bindings():
             self._check_policy_type(binding.policy)
             policy = binding.policy
-            cached_policy = cache.get(cache_key(binding, self.request.user), None)
+            key = cache_key(binding, self.request.user)
+            cached_policy = cache.get(key, None)
             if cached_policy and self.use_cache:
-                LOGGER.debug("P_ENG: Taking result from cache", policy=policy)
+                LOGGER.debug("P_ENG: Taking result from cache", policy=policy, cache_key=key)
                 self.__cached_policies.append(cached_policy)
                 continue
             LOGGER.debug("P_ENG: Evaluating policy", policy=policy)
@@ -103,7 +104,7 @@ class PolicyEngine:
             x.result for x in self.__processes if x.result
         ]
         for result in process_results + self.__cached_policies:
-            LOGGER.debug("P_ENG: result", passing=result.passing)
+            LOGGER.debug("P_ENG: result", passing=result.passing, messages=result.messages)
             if result.messages:
                 messages += result.messages
             if not result.passing: