diff --git a/Include/internal/mimalloc/mimalloc/atomic.h b/Include/internal/mimalloc/mimalloc/atomic.h
index c6b8146ffdb049..eb8478ceed6adf 100644
--- a/Include/internal/mimalloc/mimalloc/atomic.h
+++ b/Include/internal/mimalloc/mimalloc/atomic.h
@@ -195,7 +195,7 @@ static inline uintptr_t mi_atomic_load_explicit(_Atomic(uintptr_t) const* p, mi_
 #else
   uintptr_t x = *p;
   if (mo > mi_memory_order_relaxed) {
-    while (!mi_atomic_compare_exchange_weak_explicit(p, &x, x, mo, mi_memory_order_relaxed)) { /* nothing */ };
+    while (!mi_atomic_compare_exchange_weak_explicit((_Atomic(uintptr_t)*)p, &x, x, mo, mi_memory_order_relaxed)) { /* nothing */ };
   }
   return x;
 #endif