diff --git a/common_arm64.h b/common_arm64.h
index 436ccb8f5..1e593c66f 100644
--- a/common_arm64.h
+++ b/common_arm64.h
@@ -162,7 +162,11 @@ REALNAME:
 #define HUGE_PAGESIZE   ( 4 << 20)
 
 #ifndef BUFFERSIZE
+if defined(NEOVERSEN1) || defined(NEOVERSEN2) || defined(NEOVERSEV1) || defined(A64FX) || defined(ARMV8SVE)
+#define BUFFER_SIZE     (32 << 22)
+else
 #define BUFFER_SIZE     (32 << 20)
+#endif
 #else
 #define BUFFER_SIZE	(32 << BUFFERSIZE)
 #endif