foo.diff

diff --git a/config/schema/mapstack-v1.json b/config/schema/mapstack-v1.json
index de9e97ff0..4a0d19777 100644
--- a/config/schema/mapstack-v1.json
+++ b/config/schema/mapstack-v1.json
@@ -2,8 +2,10 @@
   "$schema": "http://json-schema.org/draft-04/schema#",
   "id": "https://chorus.voxmedia.com/schema/mapstack-v1.json",
   "type": "object",
+  "additionalProperties": {
+    "$ref": "story-v2.json#"
+  },
   "properties": {
-    "$ref": "story-v2.json#/properties",
     "map_points": {
       "type": "array",
       "items": {
@@ -35,10 +37,10 @@
             "type": "string"
           },
           "latitude": {
-            "type": "float"
+            "type": "number"
           },
           "longitude": {
-            "type": "float"
+            "type": "number"
           },
           "phone": {
             "$ref": "definitions.json#/rich-text-with-author"