diff --git a/test/unit/hibf/hierarchical_interleaved_bloom_filter_test.cpp b/test/unit/hibf/hierarchical_interleaved_bloom_filter_test.cpp
index 067f0ff2..f866f455 100644
--- a/test/unit/hibf/hierarchical_interleaved_bloom_filter_test.cpp
+++ b/test/unit/hibf/hierarchical_interleaved_bloom_filter_test.cpp
@@ -10,7 +10,7 @@
 #include <cstddef>    // for size_t
 #include <functional> // for function
 #include <iostream>
-#include <vector>     // for vector, allocator
+#include <vector> // for vector, allocator
 
 #include <hibf/config.hpp>                                // for insert_iterator, config
 #include <hibf/hierarchical_interleaved_bloom_filter.hpp> // for hierarchical_interleaved_bloom_filter
@@ -49,13 +49,13 @@ TEST(hibf_test, build_from_layout)
     std::vector<std::vector<size_t>> hashes{{1u, 2u, 3u, 4u, 5u, 6u, 7u, 8u, 9u, 10u}, {1u, 2u, 3u, 4u, 5u}};
 
     auto input_fn = [&](size_t const num, hibf::insert_iterator it)
-                        {
-                            for (auto const hash : hashes[num])
-                                it = hash;
-                        };
+    {
+        for (auto const hash : hashes[num])
+            it = hash;
+    };
 
     hibf::test::tmp_directory tmp{};
-    std::filesystem::path layout_filename{tmp.path()/"dummy.layout"};
+    std::filesystem::path layout_filename{tmp.path() / "dummy.layout"};
 
     {
         std::ofstream stream{layout_filename};