diff --git a/scripts/code_style.py b/scripts/code_style.py
index 26b691c2f..63cc6dc7a 100755
--- a/scripts/code_style.py
+++ b/scripts/code_style.py
@@ -11,6 +11,7 @@ import re
 import subprocess
 import sys
 from typing import FrozenSet, List, Optional
+from mbedtls_framework import build_tree
 
 UNCRUSTIFY_SUPPORTED_VERSION = "0.75.1"
 CONFIG_FILE = ".uncrustify.cfg"
@@ -132,11 +133,17 @@ def get_src_files(since: Optional[str]) -> List[str]:
     # Don't correct style for third-party files (and, for simplicity,
     # companion files in the same subtree), or for automatically
     # generated files (we're correcting the templates instead).
-    src_files = [filename for filename in src_files
-                 if not (filename.startswith("tf-psa-crypto/drivers/everest/") or
-                         filename.startswith("tf-psa-crypto/drivers/p256-m/") or
-                         filename in generated_files or
-                         is_file_autogenerated(filename))]
+    if build_tree.is_mbedtls_3_6():
+        src_files = [filename for filename in src_files
+                     if not (filename.startswith("3rdparty/") or
+                             filename in generated_files or
+                             is_file_autogenerated(filename))]
+    else:
+        src_files = [filename for filename in src_files
+                     if not (filename.startswith("tf-psa-crypto/drivers/everest/") or
+                             filename.startswith("tf-psa-crypto/drivers/p256-m/") or
+                             filename in generated_files or
+                             is_file_autogenerated(filename))]
     return src_files
 
 def get_submodule_hash(commit: str, submodule: str) -> str: