diff --git a/src/hyperloglog.c b/src/hyperloglog.c
index 742c47b1a6..0533e0f755 100644
--- a/src/hyperloglog.c
+++ b/src/hyperloglog.c
@@ -4,8 +4,13 @@
  * Copyright (c) 2014-Present, Redis Ltd.
  * All rights reserved.
  *
+ * Copyright (c) 2024-present, Valkey contributors.
+ * All rights reserved.
+ *
  * Licensed under your choice of the Redis Source Available License 2.0
  * (RSALv2) or the Server Side Public License v1 (SSPLv1).
+ *
+ * Portions of this file are available under BSD3 terms; see REDISCONTRIBUTIONS for more information.
  */
 
 #include "server.h"
@@ -14,6 +19,9 @@
 #include <math.h>
 
 #ifdef HAVE_AVX2
+/* Define __MM_MALLOC_H to prevent importing the memory aligned
+ * allocation functions, which we don't use. */
+#define __MM_MALLOC_H
 #include <immintrin.h>
 #endif