diff --git a/include/hibf/cereal/path.hpp b/include/hibf/cereal/path.hpp
index d3472ce7..be64d69e 100644
--- a/include/hibf/cereal/path.hpp
+++ b/include/hibf/cereal/path.hpp
@@ -10,6 +10,7 @@
 #include <hibf/platform.hpp>
 
 #include <cereal/macros.hpp> // for CEREAL_LOAD_FUNCTION_NAME, CEREAL_SAVE_FUNCTION_NAME
+#include <cereal/types/string.hpp>
 
 namespace cereal
 {
diff --git a/include/hibf/config.hpp b/include/hibf/config.hpp
index 4bb39470..84ab26e6 100644
--- a/include/hibf/config.hpp
+++ b/include/hibf/config.hpp
@@ -312,6 +312,23 @@ struct config
      */
     void validate_and_set_defaults();
 
+    //!\brief Two configs are equal if all options, except seqan::hibf::config::input_fn, are equal.
+    constexpr bool operator==(config const & other) const
+    {
+        // clang-format off
+        return number_of_user_bins == other.number_of_user_bins &&
+               maximum_fpr == other.maximum_fpr &&
+               relaxed_fpr == other.relaxed_fpr &&
+               threads == other.threads &&
+               sketch_bits == other.sketch_bits &&
+               tmax == other.tmax &&
+               alpha == other.alpha &&
+               max_rearrangement_ratio == other.max_rearrangement_ratio &&
+               disable_estimate_union == other.disable_estimate_union &&
+               disable_rearrangement == other.disable_rearrangement;
+        // clang-format on
+    }
+
 private:
     friend class cereal::access;
 
diff --git a/test/unit/hibf/CMakeLists.txt b/test/unit/hibf/CMakeLists.txt
index ae843de0..f0f65446 100644
--- a/test/unit/hibf/CMakeLists.txt
+++ b/test/unit/hibf/CMakeLists.txt
@@ -8,5 +8,6 @@ hibf_test (bit_vector_test.cpp)
 hibf_test (config_test.cpp)
 hibf_test (hierarchical_interleaved_bloom_filter_test.cpp)
 hibf_test (interleaved_bloom_filter_test.cpp)
+hibf_test (path_test.cpp)
 hibf_test (print_test.cpp)
 hibf_test (timer_test.cpp)
diff --git a/test/unit/hibf/config_test.cpp b/test/unit/hibf/config_test.cpp
index 5bf035d9..89f99644 100644
--- a/test/unit/hibf/config_test.cpp
+++ b/test/unit/hibf/config_test.cpp
@@ -12,6 +12,7 @@
 #include <string_view> // for string_view
 
 #include <hibf/config.hpp> // for config, insert_iterator
+#include <hibf/test/cereal.hpp>
 
 TEST(config_test, write_to)
 {
@@ -319,3 +320,18 @@ TEST(config_test, validate_and_set_defaults)
         EXPECT_EQ((testing::internal::GetCapturedStderr()), "");
     }
 }
+
+TEST(config_test, serialisation)
+{
+    seqan::hibf::config config{.number_of_user_bins = 123456789,
+                               .number_of_hash_functions = 4,
+                               .maximum_fpr = 0.0001,
+                               .threads = 31,
+                               .sketch_bits = 8,
+                               .tmax = 128,
+                               .alpha = 1.0,
+                               .max_rearrangement_ratio = 0.333,
+                               .disable_estimate_union = true,
+                               .disable_rearrangement = false};
+    seqan::hibf::test::test_serialisation(std::move(config));
+}
diff --git a/test/unit/hibf/path_test.cpp b/test/unit/hibf/path_test.cpp
new file mode 100644
index 00000000..d2921e24
--- /dev/null
+++ b/test/unit/hibf/path_test.cpp
@@ -0,0 +1,14 @@
+// SPDX-FileCopyrightText: 2006-2023, Knut Reinert & Freie Universität Berlin
+// SPDX-FileCopyrightText: 2016-2023, Knut Reinert & MPI für molekulare Genetik
+// SPDX-License-Identifier: BSD-3-Clause
+
+#include <gtest/gtest.h>
+
+#include <hibf/cereal/path.hpp>
+#include <hibf/test/cereal.hpp>
+
+TEST(path_test, serialisation)
+{
+    std::filesystem::path path{"/some/random/path.txt"};
+    seqan::hibf::test::test_serialisation(std::move(path));
+}