diff --git a/support/include/utils/unix.hpp b/support/include/utils/unix.hpp
index 6f0ca8a4..de0a7880 100644
--- a/support/include/utils/unix.hpp
+++ b/support/include/utils/unix.hpp
@@ -50,7 +50,7 @@ void set_last_error_code(int error_code);
 
 // template implementations
 #if defined(__APPLE__)
-template <typename t>
+template <typename thread_t>
 [[nodiscard]] auto convert_to_uint64(const thread_t *thread_ptr)
     -> std::uint64_t {
   return static_cast<std::uint64_t>(