diff --git a/handlers/admin/memory_rtree.go b/handlers/admin/memory_rtree.go
index fd76c80..f37d292 100644
--- a/handlers/admin/memory_rtree.go
+++ b/handlers/admin/memory_rtree.go
@@ -103,7 +103,7 @@ func (s *AdminMemoryRTreeIndex) GeoSearch(feature *geojson.Feature) (map[string]
 }
 
 func (s *AdminMemoryRTreeIndex) Find(layer, id string) (*geojson.Feature, error) {
-	result, ok := s.Documents["layer"]["id"]
+	result, ok := s.Documents[layer][id]
 	if !ok || result == nil {
 		return nil, errors.New("admin not found")
 	}