1 files changed, 1 insertions, 1 deletions
diff --git a/std/fs/exists_test.ts b/std/fs/exists_test.ts
index 06b908b9d..204799447 100644
--- a/std/fs/exists_test.ts
+++ b/std/fs/exists_test.ts
@@ -131,7 +131,7 @@ Deno.test(async function existsPermission(): Promise<void> {
       args: args
     });
 
-    const output = await Deno.readAll(stdout);
+    const output = await Deno.readAll(stdout!);
 
     assertStrContains(new TextDecoder().decode(output), s.output);
   }