diff --git a/tests/test_util/executable_path.cpp b/tests/test_util/executable_path.cpp
index 70a2567d..0548a80f 100644
--- a/tests/test_util/executable_path.cpp
+++ b/tests/test_util/executable_path.cpp
@@ -51,7 +51,7 @@ std::string get_executable_path() {
     std::array<char, PATH_MAX> buffer{};
     uint32_t size = buffer.size();
     if (::_NSGetExecutablePath(buffer.data(), &size) == 0) {
-        return {buffer.data(), size};
+        return {buffer.data()};
     }
     throw std::system_error(std::make_error_code(std::errc::no_such_file_or_directory),
                             "Could not get executable path");