diff --git a/packages/shared-chat/src/utils/execute-tool.ts b/packages/shared-chat/src/utils/execute-tool.ts
index c82791e..e7213e9 100644
--- a/packages/shared-chat/src/utils/execute-tool.ts
+++ b/packages/shared-chat/src/utils/execute-tool.ts
@@ -32,7 +32,7 @@ export const executeTool = async ({ abortSignal, messages, toolCall, tools }: Ex
   if (toolCall.function.arguments == null)
     throw new Error(`Missing toolCall.function.arguments: ${JSON.stringify(toolCall)}`)
 
-  const parsedArgs = JSON.parse(toolCall.function.arguments) as Record<string, unknown>
+  const parsedArgs = JSON.parse(toolCall.function.arguments.trim() || '{}') as Record<string, unknown>
   const result = wrapToolResult(await tool.execute(parsedArgs, {
     abortSignal,
     messages,