diff --git a/infinite/index.ts b/infinite/index.ts
index 828f696a0c..eb072bda9c 100644
--- a/infinite/index.ts
+++ b/infinite/index.ts
@@ -7,7 +7,8 @@ import useSWR, {
   SWRHook,
   MutatorCallback,
   Middleware,
-  BareFetcher
+  BareFetcher,
+  MutatorOptions
 } from 'swr'
 
 import { useIsomorphicLayoutEffect } from '../src/utils/env'
@@ -176,14 +177,15 @@ export const infinite = (<Data, Error>(useSWRNext: SWRHook) =>
           | [undefined | Data[] | Promise<Data[]> | MutatorCallback<Data[]>]
           | [
               undefined | Data[] | Promise<Data[]> | MutatorCallback<Data[]>,
-              boolean
+              boolean | MutatorOptions<Data[]> | undefined
             ]
       ) => {
-        const data = args[0]
-        
+        const [data, _opts] = args
+
         // When passing as a boolean, it's explicitly used to disable/enable
         // revalidation.
-        const options = typeof args[1] === 'boolean' ? {revalidate: args[1]} : args[1] || {}
+        const options =
+          typeof _opts === 'boolean' ? { revalidate: _opts } : _opts || {}
 
         // Default to true.
         const shouldRevalidate = options.revalidate !== false
@@ -202,7 +204,7 @@ export const infinite = (<Data, Error>(useSWRNext: SWRHook) =>
           }
         }
 
-        return args.length ? swr.mutate(data, shouldRevalidate) : swr.mutate()
+        return args.length ? swr.mutate(data, options) : swr.mutate()
       },
       // swr.mutate is always the same reference
       // eslint-disable-next-line react-hooks/exhaustive-deps