diff --git a/packages/core/src/utils.ts b/packages/core/src/utils.ts
index 13315417..03ae532c 100644
--- a/packages/core/src/utils.ts
+++ b/packages/core/src/utils.ts
@@ -39,7 +39,7 @@ export function randomInt(min: number, max?: number) {
         max = min
         min = 0
     }
-    return Math.floor(Math.random() * (max - min + 1)) + min
+    return Math.floor(Math.random() * (max - min)) + min
 }
 
 export function randomDate(start: DateLike): Date