diff --git a/include/nlohmann/detail/json_pointer.hpp b/include/nlohmann/detail/json_pointer.hpp
index cf2689a40..a09f1c433 100644
--- a/include/nlohmann/detail/json_pointer.hpp
+++ b/include/nlohmann/detail/json_pointer.hpp
@@ -1102,7 +1102,8 @@ class json_pointer
         void reseed(const void* address) noexcept
         {
             // NOLINTNEXTLINE(cppcoreguidelines-pro-type-reinterpret-cast): the address is only a source of entropy
-            std::uint64_t x = static_cast<std::uint64_t>(reinterpret_cast<std::uintptr_t>(address)) ^ 0x9E3779B97F4A7C15ULL;
+            std::uint64_t x = reinterpret_cast<std::uintptr_t>(address);
+            x ^= 0x9E3779B97F4A7C15ULL;
             x *= 0xBF58476D1CE4E5B9ULL;
             seed = x ^ (x >> 31u);
             tree.reseed(seed);
diff --git a/single_include/nlohmann/json.hpp b/single_include/nlohmann/json.hpp
index 5b3003734..84332139c 100644
--- a/single_include/nlohmann/json.hpp
+++ b/single_include/nlohmann/json.hpp
@@ -27277,7 +27277,8 @@ class json_pointer
         void reseed(const void* address) noexcept
         {
             // NOLINTNEXTLINE(cppcoreguidelines-pro-type-reinterpret-cast): the address is only a source of entropy
-            std::uint64_t x = static_cast<std::uint64_t>(reinterpret_cast<std::uintptr_t>(address)) ^ 0x9E3779B97F4A7C15ULL;
+            std::uint64_t x = reinterpret_cast<std::uintptr_t>(address);
+            x ^= 0x9E3779B97F4A7C15ULL;
             x *= 0xBF58476D1CE4E5B9ULL;
             seed = x ^ (x >> 31u);
             tree.reseed(seed);