diff --git a/src/platform/utils.hpp b/src/platform/utils.hpp
index ccc959e..d3e5d09 100644
--- a/src/platform/utils.hpp
+++ b/src/platform/utils.hpp
@@ -334,7 +334,7 @@ namespace detail {
         return static_cast<unsigned long long>(t);
     }
     template<typename T>
-    unsigned long long to_uintptr(T t) {
+    uintptr_t to_uintptr(T t) {
         return static_cast<uintptr_t>(t);
     }