diff --git a/clusters/threat-actor.json b/clusters/threat-actor.json
index 8229cd75..947e162f 100644
--- a/clusters/threat-actor.json
+++ b/clusters/threat-actor.json
@@ -6982,7 +6982,9 @@
           "https://www.group-ib.com/blog/silence",
           "https://securelist.com/the-silence/83009/"
         ],
-        "synonyms": "Silence"
+        "synonyms": [
+          "Silence"
+        ]
       },
       "uuid": "0d5e17fd-7a71-47fd-b4bc-867cdb833726",
       "value": "Silence group"