diff --git a/agbenchmark/challenges/memory/m1/data.json b/agbenchmark/challenges/memory/m1/data.json
index 3e410ac5..c7d44190 100644
--- a/agbenchmark/challenges/memory/m1/data.json
+++ b/agbenchmark/challenges/memory/m1/data.json
@@ -7,7 +7,7 @@
     "answer": "2314",
     "should_contain": ["2314"],
     "should_not_contain": [],
-    "files": ["file_to_check.txt"],
+    "files": [".txt"],
     "type": "file"
   },
   "mock": {