diff --git a/Models/ThemeConfig/Json/LayoutConfigJson.ts b/Models/ThemeConfig/Json/LayoutConfigJson.ts
index 11dbbde538..bd0b7df5a9 100644
--- a/Models/ThemeConfig/Json/LayoutConfigJson.ts
+++ b/Models/ThemeConfig/Json/LayoutConfigJson.ts
@@ -242,7 +242,7 @@ export interface LayoutConfigJson {
      * If set to [[lon, lat], [lon, lat]], the map will not scroll outside of those bounds.
      * Off by default, which will enable panning to the entire world
      */
-    lockLocation?: boolean | [[number, number], [number, number]] | number[][];
+    lockLocation?: [[number, number], [number, number]] | number[][];
 
     enableUserBadge?: boolean;
     enableShareScreen?: boolean;
diff --git a/assets/themes/speelplekken/speelplekken.json b/assets/themes/speelplekken/speelplekken.json
index 7028a4a3b0..52a87478ab 100644
--- a/assets/themes/speelplekken/speelplekken.json
+++ b/assets/themes/speelplekken/speelplekken.json
@@ -13,7 +13,13 @@
   "maintainer": "MapComplete",
   "icon": "./assets/themes/speelplekken/logo.svg",
   "hideFromOverview": true,
-  "lockLocation": false,
+  "lockLocation": [ [
+    4.291534423828125,
+    51.061249423389796
+  ],   [
+    4.604301452636719,
+    51.23978120350654
+  ]],
   "version": "0",
   "startLat": 51.17174,
   "startLon": 4.449462,