diff --git a/src/models/entities/RunnerCard.ts b/src/models/entities/RunnerCard.ts
index a7bccc4..66f063d 100644
--- a/src/models/entities/RunnerCard.ts
+++ b/src/models/entities/RunnerCard.ts
@@ -67,10 +67,11 @@ export class RunnerCard {
   private get paddedId(): string {
     let id: string = this.id.toString();
 
-    if (id.length > 12) {
+    if (id.length > 11) {
       throw new RunnerCardIdOutOfRangeError();
     }
-    while (id.length < 12) { id = '0' + id; }
+    while (id.length < 11) { id = '0' + id; }
+    id = '2' + id;
 
     return id;
   }