diff --git a/server/agents/assistant.ts b/server/agents/assistant.ts
index 335ff38..66bc993 100644
--- a/server/agents/assistant.ts
+++ b/server/agents/assistant.ts
@@ -123,7 +123,7 @@ export const personalAssistantAgent: Agent = {
           },
         },
       }),
-      execute: async ({ min, max }: { min: number; max: number }) => {
+      execute: async ({ min = 0, max = 1 }: { min?: number; max?: number }) => {
         return Math.random() * (max - min) + min;
       },
     }),