diff --git a/library/common.h b/library/common.h
index f838216..c080af0 100644
--- a/library/common.h
+++ b/library/common.h
@@ -33,8 +33,14 @@
 
 #if defined(__ARM_NEON)
 #include <arm_neon.h>
+#define MBEDTLS_HAVE_NEON_INTRINSICS
 #endif /* __ARM_NEON */
 
+#if defined(_M_ARM64) || defined(_M_ARM64EC)
+#include <arm64_neon.h>
+#define MBEDTLS_HAVE_NEON_INTRINSICS
+#endif
+
 /** Helper to define a function as static except when building invasive tests.
  *
  * If a function is only used inside its own source file and should be