diff --git a/lib/cartodb/models/mapconfig/adapter/vector-mapconfig-adapter.js b/lib/cartodb/models/mapconfig/adapter/vector-mapconfig-adapter.js
index 76fdd836..4e5020a6 100644
--- a/lib/cartodb/models/mapconfig/adapter/vector-mapconfig-adapter.js
+++ b/lib/cartodb/models/mapconfig/adapter/vector-mapconfig-adapter.js
@@ -53,7 +53,7 @@ class VectorMapConfigAdapter {
     }
 
     _isDatesAsNumbersFlagEnabled(requestMapConfig) {
-        return requestMapConfig.layers.some(layer => layer.options.dates_as_numbers);
+        return requestMapConfig.layers && requestMapConfig.layers.some(layer => layer.options.dates_as_numbers);
     }
 }