diff --git a/src/Controller/MapApiController.php b/src/Controller/MapApiController.php
index efb43bf..bd91729 100644
--- a/src/Controller/MapApiController.php
+++ b/src/Controller/MapApiController.php
@@ -94,7 +94,7 @@ class MapApiController extends AbstractController
                 }
                 $siteJSON[] = array(['name' => $b->getName(), 'id' => $b->getId(), 'floors' => $buildJSON]);
             }
-            $response[] = array(['name' => $s->getName(), 'id' => $s->getId(), 'building' => $siteJSON]);
+            $response[] = array(['name' => $s->getName(), 'id' => $s->getId(), 'buildings' => $siteJSON]);
         }
         return $this->json($response);
     }