diff --git a/views/handlers/entity_views_field_handler_helper.inc b/views/handlers/entity_views_field_handler_helper.inc
index 93c2116..a64b4fc 100644
--- a/views/handlers/entity_views_field_handler_helper.inc
+++ b/views/handlers/entity_views_field_handler_helper.inc
@@ -239,7 +239,10 @@ class EntityFieldHandlerHelper {
           // Remember the entity IDs to later load all at once (so as to
           // properly utilize multiple load functionality).
           $id = $property->getIdentifier();
-          $entities[$type][$i] = $id;
+          // Only accept valid ids.
+          if ($id) {
+            $entities[$type][$i] = $id;
+          }
         }
         elseif ($property instanceof EntityStructureWrapper) {
           $results[$i] = $property;