diff --git a/maigret/resources/data.json b/maigret/resources/data.json
index b96bfa5..b0d399a 100644
--- a/maigret/resources/data.json
+++ b/maigret/resources/data.json
@@ -2568,6 +2568,18 @@
             "usernameClaimed": "test2",
             "usernameUnclaimed": "noonewouldeverusethis7"
         },
+        "Chamsko.pl": {
+            "checkType": "message",
+            "absenceStrs": [
+                "Strona nie istnieje."
+            ],
+            "presenseStrs": [
+                "W serwisie od"
+            ],
+            "url": "https://www.chamsko.pl/profil/{username}",
+            "usernameClaimed": "test",
+            "usernameUnclaimed": "noonewouldeverusethis7"
+        },
         "Chomikuj.pl": {
             "checkType": "message",
             "absenceStrs": [