diff --git a/cpp/scripts/run-clang-tidy.sh b/cpp/scripts/run-clang-tidy.sh
index 8bbe28858eb..b894b6dc5b5 100755
--- a/cpp/scripts/run-clang-tidy.sh
+++ b/cpp/scripts/run-clang-tidy.sh
@@ -37,4 +37,4 @@ if [ ! -f "${CUDF_BUILD_DIR}/compile_commands.json" ]; then
 fi
 
 
-find cpp/{src,tests} -name *.cpp | grep -v -E ".*(cpu_unbz2.cpp|brotli_dict.cpp).*" | xargs -n 1 -P 24 clang-tidy -p ${CUDF_BUILD_DIR} --extra-arg="-Qunused-arguments"
+find cpp/{src,tests} -name *.cpp | grep -v -E ".*(cpu_unbz2.cpp|brotli_dict.cpp).*" | xargs -n 1 -P 16 clang-tidy -p ${CUDF_BUILD_DIR} --extra-arg="-Qunused-arguments"