diff --git a/Inc/DirectXMathVector.inl b/Inc/DirectXMathVector.inl
index 20bbab1..761cf67 100644
--- a/Inc/DirectXMathVector.inl
+++ b/Inc/DirectXMathVector.inl
@@ -2186,7 +2186,7 @@ inline XMVECTOR XM_CALLCONV XMVectorIsNaN(FXMVECTOR V) noexcept
     return Control.v;
 
 #elif defined(_XM_ARM_NEON_INTRINSICS_)
-#if defined(__clang__) && defined(__FINITE_MATH_ONLY__)
+#if defined(__clang__) && __FINITE_MATH_ONLY__
     XMVECTORU32 vResult = { { {
         isnan(vgetq_lane_f32(V, 0)) ? 0xFFFFFFFFU : 0,
         isnan(vgetq_lane_f32(V, 1)) ? 0xFFFFFFFFU : 0,
@@ -2200,7 +2200,7 @@ inline XMVECTOR XM_CALLCONV XMVectorIsNaN(FXMVECTOR V) noexcept
     return vreinterpretq_f32_u32(vmvnq_u32(vTempNan));
 #endif
 #elif defined(_XM_SSE_INTRINSICS_)
-#if defined(__clang__) && defined(__FINITE_MATH_ONLY__)
+#if defined(__clang__) && __FINITE_MATH_ONLY__
     XM_ALIGNED_DATA(16) float tmp[4];
     _mm_store_ps(tmp, V);
     XMVECTORU32 vResult = { { {
@@ -6653,7 +6653,7 @@ inline bool XM_CALLCONV XMVector2IsNaN(FXMVECTOR V) noexcept
     return (XMISNAN(V.vector4_f32[0]) ||
         XMISNAN(V.vector4_f32[1]));
 #elif defined(_XM_ARM_NEON_INTRINSICS_)
-#if defined(__clang__) && defined(__FINITE_MATH_ONLY__)
+#if defined(__clang__) && __FINITE_MATH_ONLY__
     return isnan(vgetq_lane_f32(V, 0)) || isnan(vgetq_lane_f32(V, 1));
 #else
     float32x2_t VL = vget_low_f32(V);
@@ -6663,7 +6663,7 @@ inline bool XM_CALLCONV XMVector2IsNaN(FXMVECTOR V) noexcept
     return (vget_lane_u64(vreinterpret_u64_u32(vTempNan), 0) != 0xFFFFFFFFFFFFFFFFU);
 #endif
 #elif defined(_XM_SSE_INTRINSICS_)
-#if defined(__clang__) && defined(__FINITE_MATH_ONLY__)
+#if defined(__clang__) && __FINITE_MATH_ONLY__
     XM_ALIGNED_DATA(16) float tmp[4];
     _mm_store_ps(tmp, V);
     return isnan(tmp[0]) || isnan(tmp[1]);
@@ -9418,7 +9418,7 @@ inline bool XM_CALLCONV XMVector3IsNaN(FXMVECTOR V) noexcept
         XMISNAN(V.vector4_f32[2]));
 
 #elif defined(_XM_ARM_NEON_INTRINSICS_)
-#if defined(__clang__) && defined(__FINITE_MATH_ONLY__)
+#if defined(__clang__) && __FINITE_MATH_ONLY__
     return isnan(vgetq_lane_f32(V, 0)) || isnan(vgetq_lane_f32(V, 1)) || isnan(vgetq_lane_f32(V, 2));
 #else
 // Test against itself. NaN is always not equal
@@ -9429,7 +9429,7 @@ inline bool XM_CALLCONV XMVector3IsNaN(FXMVECTOR V) noexcept
     return ((vget_lane_u32(vreinterpret_u32_u16(vTemp2.val[1]), 1) & 0xFFFFFFU) != 0xFFFFFFU);
 #endif
 #elif defined(_XM_SSE_INTRINSICS_)
-#if defined(__clang__) && defined(__FINITE_MATH_ONLY__)
+#if defined(__clang__) && __FINITE_MATH_ONLY__
     XM_ALIGNED_DATA(16) float tmp[4];
     _mm_store_ps(tmp, V);
     return isnan(tmp[0]) || isnan(tmp[1]) || isnan(tmp[2]);
@@ -13309,7 +13309,7 @@ inline bool XM_CALLCONV XMVector4IsNaN(FXMVECTOR V) noexcept
         XMISNAN(V.vector4_f32[2]) ||
         XMISNAN(V.vector4_f32[3]));
 #elif defined(_XM_ARM_NEON_INTRINSICS_)
-#if defined(__clang__) && defined(__FINITE_MATH_ONLY__)
+#if defined(__clang__) && __FINITE_MATH_ONLY__
     return isnan(vgetq_lane_f32(V, 0)) || isnan(vgetq_lane_f32(V, 1)) || isnan(vgetq_lane_f32(V, 2)) || isnan(vgetq_lane_f32(V, 3));
 #else
 // Test against itself. NaN is always not equal
@@ -13320,7 +13320,7 @@ inline bool XM_CALLCONV XMVector4IsNaN(FXMVECTOR V) noexcept
     return (vget_lane_u32(vreinterpret_u32_u16(vTemp2.val[1]), 1) != 0xFFFFFFFFU);
 #endif
 #elif defined(_XM_SSE_INTRINSICS_)
-#if defined(__clang__) && defined(__FINITE_MATH_ONLY__)
+#if defined(__clang__) && __FINITE_MATH_ONLY__
     XM_ALIGNED_DATA(16) float tmp[4];
     _mm_store_ps(tmp, V);
     return isnan(tmp[0]) || isnan(tmp[1]) || isnan(tmp[2]) || isnan(tmp[3]);