diff --git a/include/fast_float/float_common.h b/include/fast_float/float_common.h
index d693dc3b..85a5a1f2 100644
--- a/include/fast_float/float_common.h
+++ b/include/fast_float/float_common.h
@@ -134,7 +134,7 @@ using parse_options = parse_options_t<char>;
 #define FASTFLOAT_NEON 1
 #endif
 
-#if defined(FASTFLOAT_SSE2) || defined(FASTFLOAT_ARM64)
+#if defined(FASTFLOAT_SSE2) || defined(FASTFLOAT_NEON)
 #define FASTFLOAT_HAS_SIMD 1
 #endif