diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 48f86983f4e6161b34282748c28f73fd09af5204..c0b90fc4ecd3d276519037de2a94c9305cde5a74 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,5 +1,5 @@
 #
-# SPDX-FileCopyrightText: Copyright 2024 Arm Limited and/or its affiliates <open-source-office@arm.com>
+# SPDX-FileCopyrightText: Copyright 2024-2025 Arm Limited and/or its affiliates <open-source-office@arm.com>
 #
 # SPDX-License-Identifier: Apache-2.0
 #
@@ -161,7 +161,9 @@ test-clang-tidy:
   script:
     - cmake -G Ninja -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_BUILD_TYPE=Release -DKLEIDIAI_BUILD_TESTS=ON -DKLEIDIAI_BUILD_BENCHMARK=ON -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -B build/${CI_JOB_NAME_SLUG}
     # Only test the main library.
-    - run-clang-tidy -header-filter ".*" -warnings-as-errors "*" -p build/${CI_JOB_NAME_SLUG} kai
+    # Only test C/C++ files.
+    - >
+        clang-tidy --header-filter ".*" --warnings-as-errors "*" -p build/${CI_JOB_NAME_SLUG} $(find kai -type f \( -name \*.c -o -name \*.cpp \))
 
 pre-commit-hooks:
   variables: