diff --git a/xts.cpp b/xts.cpp
index d86351f8..ac4cb3cf 100644
--- a/xts.cpp
+++ b/xts.cpp
@@ -24,8 +24,11 @@
 # include <immintrin.h>
 #endif
 
-#if (CRYPTOPP_ARM_NEON_HEADER)
-# include <arm_neon.h>
+
+#if defined(__aarch32__) || defined(__aarch64__) || defined(_M_ARM64)
+# if (CRYPTOPP_ARM_NEON_HEADER)
+#  include <arm_neon.h>
+# endif
 #endif
 
 // Clang intrinsic casts