diff --git a/models/Agent.json b/models/Agent.json
index f971d08..584c9ce 100644
--- a/models/Agent.json
+++ b/models/Agent.json
@@ -10,6 +10,7 @@
     "symbol": {
       "type": "string",
       "minLength": 1,
+      "maxLength": 14,
       "description": "Symbol of the agent."
     },
     "headquarters": {
@@ -38,4 +39,4 @@
     "credits",
     "startingFaction"
   ]
-}
\ No newline at end of file
+}