diff --git a/hwe/compare/turn_state_snapshot.php b/hwe/compare/turn_state_snapshot.php
index ec218135..f206941b 100644
--- a/hwe/compare/turn_state_snapshot.php
+++ b/hwe/compare/turn_state_snapshot.php
@@ -340,6 +340,7 @@ function comparisonTurnStateSnapshot(array $request): array
                     $activeActionPoints = $stored[0];
                 }
             }
+            $result['hasOwner'] = $ownerId > 0;
             $result['inheritActiveActionPoints'] = $activeActionPoints;
             return $result;
         },