diff --git a/hyperglass/execution/drivers/_construct.py b/hyperglass/execution/drivers/_construct.py
index b2b8520..9d5efba 100644
--- a/hyperglass/execution/drivers/_construct.py
+++ b/hyperglass/execution/drivers/_construct.py
@@ -90,7 +90,8 @@ class Construct:
         rules = [r for r in self.directive.rules if r._passed is True]
         if len(rules) < 1:
             raise InputInvalid(
-                error="No validation rules matched target '{target}'", query=self.query
+                error="No validation rules matched target '{target}'",
+                target=self.query.query_target,
             )
 
         for rule in [r for r in self.directive.rules if r._passed is True]:
diff --git a/hyperglass/execution/main.py b/hyperglass/execution/main.py
index f2c4421..04ba9e9 100644
--- a/hyperglass/execution/main.py
+++ b/hyperglass/execution/main.py
@@ -50,8 +50,8 @@ async def execute(query: "Query") -> Union["OutputDataModel", str]:
     params = use_state("params")
     output = params.messages.general
 
-    log.debug("Received query {}", query.json())
-    log.debug("Matched device config: {}", query.device)
+    log.debug("Received query {}", query.export_dict())
+    log.debug("Matched device config: {!s}", query.device)
 
     mapped_driver = map_driver(query.device.driver)
     driver: "Connection" = mapped_driver(query.device, query)
diff --git a/hyperglass/models/api/query.py b/hyperglass/models/api/query.py
index b61bcc1..d4817c0 100644
--- a/hyperglass/models/api/query.py
+++ b/hyperglass/models/api/query.py
@@ -74,7 +74,7 @@ class Query(BaseModel):
         super().__init__(**kwargs)
         self.timestamp = datetime.utcnow().strftime("%Y-%m-%d %H:%M:%S")
         state = use_state()
-        self.state = state
+        self._state = state
         try:
             self.validate_query_target()
         except InputValidationError as err:
@@ -117,7 +117,7 @@ class Query(BaseModel):
     @property
     def device(self) -> Device:
         """Get this query's device object by query_location."""
-        return self.state.devices[self.query_location]
+        return self._state.devices[self.query_location]
 
     @property
     def directive(self) -> Directive: