diff --git a/CHANGELOG.md b/CHANGELOG.md
index 73b37fb..3bea1f7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@ All notable changes to this project will be documented in this file.
 This project uses the changelog in accordance with [keepchangelog](http://keepachangelog.com/). Please use this to write notable changes, which is not the same as git commit log...
 
 ## [unreleased][unreleased]
+ - Fix for static nested key recovery (@jekkos)
 
 ## [v2.1.0][2025-09-02]
  - Added UV, formatter and linter. Contribution guidelines. (@GameTec-live)
diff --git a/software/script/chameleon_cmd.py b/software/script/chameleon_cmd.py
index c8bbe01..f34889b 100644
--- a/software/script/chameleon_cmd.py
+++ b/software/script/chameleon_cmd.py
@@ -341,7 +341,7 @@ class ChameleonCMD:
             })
         return resp
 
-    @expect_response([Status.HF_TAG_OK, Status.HF_TAG_NO])
+    @expect_response([Status.HF_TAG_OK, Status.HF_TAG_NO, Status.MF_ERR_AUTH])
     def mf1_check_keys_on_block(self, block: int, key_type: int, keys: list[bytes]):
         if key_type not in [0x60, 0x61]:
             raise ValueError("Wrong key type")