diff --git a/data/fields/direction_vertex_dual.json b/data/fields/direction_vertex_dual.json
index 7c65f4a1..b4f56f9c 100644
--- a/data/fields/direction_vertex_dual.json
+++ b/data/fields/direction_vertex_dual.json
@@ -7,6 +7,9 @@
         "forward",
         "backward"
     ],
+    "geometry": [
+        "vertex"
+    ],
     "autoSuggestions": false,
     "customValues": false
 }