diff --git a/domains/ploszukiwacz.json b/domains/ploszukiwacz.json
index 734c8b48bc..f08a6df861 100644
--- a/domains/ploszukiwacz.json
+++ b/domains/ploszukiwacz.json
@@ -8,9 +8,9 @@
   "records": {
     "NS": ["ns1.desec.io","ns2.desec.org"],
     "DS": [{
-	"key_tag": "46214",
-	"algorithm": "13",
-	"digest_type": "2",
+	"key_tag": 46214,
+	"algorithm": 13,
+	"digest_type": 2,
 	"digest": "22b5f2cb0470735026ec6d29b35ac48fedee8428a51883b3dcdeb61236bb3430"
     }]
   }