diff --git a/project/lib/custom/openal/include/config-macos-arm64.h b/project/lib/custom/openal/include/config-macos-arm64.h
index 5b85e50a2..a5307da4c 100644
--- a/project/lib/custom/openal/include/config-macos-arm64.h
+++ b/project/lib/custom/openal/include/config-macos-arm64.h
@@ -14,6 +14,9 @@
 /* Define a built-in call indicating an aligned data pointer */
 #define ASSUME_ALIGNED(x, y) x
 
+/* Define a restrict macro for non-aliased pointers */
+#define RESTRICT __restrict
+
 /* Define if HRTF data is embedded in the library */
 #define ALSOFT_EMBED_HRTF_DATA