diff --git a/volatility3/framework/symbols/windows/kerb_ecrypt.json b/volatility3/framework/symbols/windows/kerb_ecrypt.json
index bcba19b76..95e1a1d6a 100644
--- a/volatility3/framework/symbols/windows/kerb_ecrypt.json
+++ b/volatility3/framework/symbols/windows/kerb_ecrypt.json
@@ -77,7 +77,7 @@
           } 
       },
       "kind": "struct",
-      "size": 256 
+      "size": 128
     }
   },
   "base_types": {