diff --git a/maigret/resources/data.json b/maigret/resources/data.json
index 16dae10..488b574 100644
--- a/maigret/resources/data.json
+++ b/maigret/resources/data.json
@@ -11273,6 +11273,18 @@
             "usernameClaimed": "test",
             "usernameUnclaimed": "noonewouldeverusethis7"
         },
+        "Piekielni": {
+            "checkType": "message",
+            "absenceStrs": [
+                "Nie znaleziono u\u017cytkownika o podanym loginie."
+            ],
+            "presenseStrs": [
+                "Zamieszcza historie od:"
+            ],
+            "url": "https://piekielni.pl/user/{username}",
+            "usernameClaimed": "test",
+            "usernameUnclaimed": "noonewouldeverusethis7"
+        },
         "Pgpru": {
             "tags": [
                 "ru"