diff --git a/include/ccmath/internal/math/runtime/simd/func/impl/sse2/pow.hpp b/include/ccmath/internal/math/runtime/simd/func/impl/sse2/pow.hpp
index c6bb500..d7e8bfd 100644
--- a/include/ccmath/internal/math/runtime/simd/func/impl/sse2/pow.hpp
+++ b/include/ccmath/internal/math/runtime/simd/func/impl/sse2/pow.hpp
@@ -15,7 +15,7 @@
 #ifdef CCMATH_HAS_SIMD
 	#ifdef CCMATH_HAS_SIMD_SSE2
 
-		#if CCMATH_HAS_SIMD_SVML
+		#ifdef CCMATH_HAS_SIMD_SVML
 			#include <immintrin.h>
 		#else
 			#include "ccmath/internal/math/generic/func/power/pow_gen.hpp"
diff --git a/include/ccmath/internal/math/runtime/simd/func/impl/sse4/pow.hpp b/include/ccmath/internal/math/runtime/simd/func/impl/sse4/pow.hpp
index 27c3788..e0fdc80 100644
--- a/include/ccmath/internal/math/runtime/simd/func/impl/sse4/pow.hpp
+++ b/include/ccmath/internal/math/runtime/simd/func/impl/sse4/pow.hpp
@@ -15,7 +15,7 @@
 #ifdef CCMATH_HAS_SIMD
 	#ifdef CCMATH_HAS_SIMD_SSE4
 
-		#if CCMATH_HAS_SIMD_SVML
+		#ifdef CCMATH_HAS_SIMD_SVML
 			#include <immintrin.h>
 		#else
 			#include "ccmath/internal/math/generic/func/power/pow_gen.hpp"
diff --git a/include/ccmath/internal/math/runtime/simd/instructions/neon.hpp b/include/ccmath/internal/math/runtime/simd/instructions/neon.hpp
index b67b26e..0eba6c2 100644
--- a/include/ccmath/internal/math/runtime/simd/instructions/neon.hpp
+++ b/include/ccmath/internal/math/runtime/simd/instructions/neon.hpp
@@ -155,7 +155,7 @@ namespace ccm::intrin
 		CCM_ALWAYS_INLINE simd &operator=(simd &&)		= default;
 		static constexpr int size() { return 2; }
 		CCM_ALWAYS_INLINE simd(double value) : m_value(vdupq_n_f64(value)) {}
-		CCM_ALWAYS_INLINE simd(double a, double b) : m_value((float64x2_t){ a, b }) {}
+		CCM_ALWAYS_INLINE simd(double a, double b) : m_value(vsetq_lane_f64(b, vsetq_lane_f64(a, vdupq_n_f64(0), 0), 1)) {}
 		CCM_ALWAYS_INLINE simd(storage_type const &value) { copy_from(value.data(), element_aligned_tag()); }
 		CCM_ALWAYS_INLINE simd &operator=(storage_type const &value)
 		{