diff --git a/src/common/ring_buffer.h b/src/common/ring_buffer.h
index 0fd5b86f03..abe3b4dc2e 100644
--- a/src/common/ring_buffer.h
+++ b/src/common/ring_buffer.h
@@ -30,7 +30,7 @@ class RingBuffer {
     static_assert(capacity < std::numeric_limits<std::size_t>::max() / 2 / granularity);
     static_assert((capacity & (capacity - 1)) == 0, "capacity must be a power of two");
     // Ensure lock-free.
-    static_assert(std::atomic<std::size_t>::is_always_lock_free);
+    static_assert(std::atomic_size_t::is_always_lock_free);
 
 public:
     /// Pushes slots into the ring buffer