diff --git a/.mega-linter.yml b/.mega-linter.yml
index 7a79b572..a1579793 100644
--- a/.mega-linter.yml
+++ b/.mega-linter.yml
@@ -33,4 +33,4 @@ PYTHON_ISORT_CONFIG_FILE: pyproject.toml
 PYTHON_PYRIGHT_CONFIG_FILE: pyproject.toml
 PYTHON_RUFF_CONFIG_FILE: pyproject.toml
 FILTER_REGEX_EXCLUDE: (codeQA/)
-CPP_CPPLINT_FILE_EXTENSIONS: [".C", ".c", ".cpp", ".h", ".cc", ".hpp", ".cxx", ".cu", ".hxx", ".c++", ".hh", ".h++", ".cuh"]
+CPP_CPPLINT_FILE_EXTENSIONS: [".C", ".cpp", ".h", ".cc", ".hpp", ".cxx", ".cu", ".hxx", ".c++", ".hh", ".h++", ".cuh"]