diff --git a/hid-rp/hid/usage.hpp b/hid-rp/hid/usage.hpp
index 64a204f..c04d29e 100644
--- a/hid-rp/hid/usage.hpp
+++ b/hid-rp/hid/usage.hpp
@@ -68,7 +68,7 @@ class usage_t
     constexpr page_id_t page_id() const { return value_ >> 16; }
     constexpr usage_id_t id() const { return value_ & std::numeric_limits<usage_id_t>::max(); }
 
-    constexpr bool operator<=>(const usage_t&) const = default;
+    constexpr auto operator<=>(const usage_t&) const = default;
 
   private:
     type value_;