diff --git a/Eigen/src/Core/arch/NEON/PacketMath.h b/Eigen/src/Core/arch/NEON/PacketMath.h
index 5e7702a..d2aeef4 100644
--- a/Eigen/src/Core/arch/NEON/PacketMath.h
+++ b/Eigen/src/Core/arch/NEON/PacketMath.h
@@ -32,7 +32,7 @@
 #endif
 #endif
 
-#if EIGEN_COMP_MSVC
+#if EIGEN_COMP_MSVC_STRICT
 
 // In MSVC's arm_neon.h header file, all NEON vector types
 // are aliases to the same underlying type __n128.
@@ -78,7 +78,7 @@
 typedef int64x2_t                            Packet2l;
 typedef uint64x2_t                           Packet2ul;
 
-#endif // EIGEN_COMP_MSVC
+#endif // EIGEN_COMP_MSVC_STRICT
 
 EIGEN_STRONG_INLINE Packet4f shuffle1(const Packet4f& m, int mask){
   const float* a = reinterpret_cast<const float*>(&m);