diff --git a/ci/test/06_script_b.sh b/ci/test/06_script_b.sh
index 17e9dc1b5c7..8604d8e842b 100755
--- a/ci/test/06_script_b.sh
+++ b/ci/test/06_script_b.sh
@@ -166,6 +166,7 @@ if [ "${RUN_TIDY}" = "true" ]; then
   python3 "${DIR_IWYU}/include-what-you-use/iwyu_tool.py" \
            -p . "${MAKEJOBS}" \
            -- -Xiwyu --cxx17ns -Xiwyu --mapping_file="${BASE_BUILD_DIR}/bitcoin-$HOST/contrib/devtools/iwyu/bitcoin.core.imp" \
+           -Xiwyu --max_line_length=160 \
            2>&1 | tee /tmp/iwyu_ci.out
   cd "${BASE_ROOT_DIR}/src"
   python3 "${DIR_IWYU}/include-what-you-use/fix_includes.py" --nosafe_headers < /tmp/iwyu_ci.out