diff --git a/module/models/PlayerData.mjs b/module/models/PlayerData.mjs
index c7f1777..bb3a9d9 100644
--- a/module/models/PlayerData.mjs
+++ b/module/models/PlayerData.mjs
@@ -101,6 +101,9 @@ export class PlayerData extends foundry.abstract.DataModel {
 				r2: new fields.BooleanField(),
 				r3: new fields.BooleanField(),
 			}),
+			syncDelta: new fields.NumberField({
+				integer: true,
+			}),
 		};
 	};
 };
\ No newline at end of file