diff --git a/assets/layers/nature_reserve/nature_reserve.json b/assets/layers/nature_reserve/nature_reserve.json
index a0fd58df8..11bd7c027 100644
--- a/assets/layers/nature_reserve/nature_reserve.json
+++ b/assets/layers/nature_reserve/nature_reserve.json
@@ -6,9 +6,13 @@
   "minzoom": 12,
   "source": {
     "osmTags": {
-      "or": [
-        "leisure=nature_reserve",
-        "boundary=protected_area"
+      "and": [
+        {
+          "or": [
+            "leisure=nature_reserve",
+            "boundary=protected_area"
+          ]
+        }
       ]
     }
   },
diff --git a/assets/themes/natuurpunt/natuurpunt.json b/assets/themes/natuurpunt/natuurpunt.json
index 4083ed5b8..b3e22b2dd 100644
--- a/assets/themes/natuurpunt/natuurpunt.json
+++ b/assets/themes/natuurpunt/natuurpunt.json
@@ -12,7 +12,10 @@
     "nl": "Op deze kaart vind je alle natuurgebieden die Natuurpunt ter beschikking stelt",
     "en": "On this map you can find all the nature reserves that Natuurpunt offers "
   },
-  "language": ["nl", "en"],
+  "language": [
+    "nl",
+    "en"
+  ],
   "maintainer": "",
   "icon": "./assets/themes/natuurpunt/natuurpunt.png",
   "version": "0",
@@ -22,7 +25,18 @@
   "widenFactor": 0.05,
   "socialImage": "",
   "layers": [
-    "nature_reserve",
+    {
+      "builtin": "nature_reserve",
+      "override": {
+        "source": {
+          "osmTags": {
+            "+and": [
+              "operator~.*[nN]atuurpunt.*"
+            ]
+          }
+        }
+      }
+    },
     "drinking_water",
     "bench",
     "bench_at_pt",