diff --git a/include/vectorwrapper/vectorwrapper.inl b/include/vectorwrapper/vectorwrapper.inl
index 1d2dca1..66552ea 100644
--- a/include/vectorwrapper/vectorwrapper.inl
+++ b/include/vectorwrapper/vectorwrapper.inl
@@ -360,7 +360,10 @@ namespace vwr {
 
 	template <typename V1, typename V2>
 	inline Vec<typename std::common_type<V1, V2>::type> operator+ (const Vec<V1>& parLeft, const Vec<V2>& parRight) {
+#if defined(VWR_STATIC_CAST_RESULTS)
 		typedef typename VectorWrapperInfo<typename std::common_type<V1, V2>::type>::scalar_type scalar_type;
+#endif
+
 		static_assert(static_cast<int>(VectorWrapperInfo<V1>::dimensions) == static_cast<int>(VectorWrapperInfo<V2>::dimensions), "Dimensions mismatch");
 		Vec<typename std::common_type<V1, V2>::type> retval;
 		for (int z = 0; z < VectorWrapperInfo<V1>::dimensions; ++z) {
@@ -374,7 +377,10 @@ namespace vwr {
 	}
 	template <typename V1, typename V2>
 	inline Vec<typename std::common_type<V1, V2>::type> operator- (const Vec<V1>& parLeft, const Vec<V2>& parRight) {
+#if defined(VWR_STATIC_CAST_RESULTS)
 		typedef typename VectorWrapperInfo<typename std::common_type<V1, V2>::type>::scalar_type scalar_type;
+#endif
+
 		static_assert(static_cast<int>(VectorWrapperInfo<V1>::dimensions) == static_cast<int>(VectorWrapperInfo<V2>::dimensions), "Dimensions mismatch");
 		Vec<typename std::common_type<V1, V2>::type> retval;
 		for (int z = 0; z < VectorWrapperInfo<V1>::dimensions; ++z) {
@@ -388,7 +394,10 @@ namespace vwr {
 	}
 	template <typename V1, typename V2>
 	inline Vec<typename std::common_type<V1, V2>::type> operator* (const Vec<V1>& parLeft, const Vec<V2>& parRight) {
+#if defined(VWR_STATIC_CAST_RESULTS)
 		typedef typename VectorWrapperInfo<typename std::common_type<V1, V2>::type>::scalar_type scalar_type;
+#endif
+
 		static_assert(static_cast<int>(VectorWrapperInfo<V1>::dimensions) == static_cast<int>(VectorWrapperInfo<V2>::dimensions), "Dimensions mismatch");
 		Vec<typename std::common_type<V1, V2>::type> retval;
 		for (int z = 0; z < VectorWrapperInfo<V1>::dimensions; ++z) {
@@ -402,7 +411,10 @@ namespace vwr {
 	}
 	template <typename V1, typename V2>
 	inline Vec<typename std::common_type<V1, V2>::type> operator/ (const Vec<V1>& parLeft, const Vec<V2>& parRight) {
+#if defined(VWR_STATIC_CAST_RESULTS)
 		typedef typename VectorWrapperInfo<typename std::common_type<V1, V2>::type>::scalar_type scalar_type;
+#endif
+
 		static_assert(static_cast<int>(VectorWrapperInfo<V1>::dimensions) == static_cast<int>(VectorWrapperInfo<V2>::dimensions), "Dimensions mismatch");
 		Vec<typename std::common_type<V1, V2>::type> retval;
 		for (int z = 0; z < VectorWrapperInfo<V1>::dimensions; ++z) {