diff --git a/glm/detail/type_vec.hpp b/glm/detail/type_vec.hpp
index 2fe33407..11b25347 100644
--- a/glm/detail/type_vec.hpp
+++ b/glm/detail/type_vec.hpp
@@ -10,7 +10,7 @@ namespace glm{
 namespace detail
 {
 	template <typename T, std::size_t size, bool aligned>
-	struct simd_data
+	struct storage
 	{
 		typedef struct type {
 			uint8 data[size];
@@ -18,7 +18,7 @@ namespace detail
 	};
 
 	template <typename T, std::size_t size>
-	struct simd_data<T, size, true>
+	struct storage<T, size, true>
 	{
 		typedef GLM_ALIGNED_STRUCT(size) type {
 			uint8 data[size];
@@ -27,19 +27,19 @@ namespace detail
 
 #	if GLM_ARCH & GLM_ARCH_SSE2_BIT
 		template <>
-		struct simd_data<float, 16, true>
+		struct storage<float, 16, true>
 		{
 			typedef glm_vec4 type;
 		};
 
 		template <>
-		struct simd_data<int, 16, true>
+		struct storage<int, 16, true>
 		{
 			typedef glm_ivec4 type;
 		};
 
 		template <>
-		struct simd_data<unsigned int, 16, true>
+		struct storage<unsigned int, 16, true>
 		{
 			typedef glm_uvec4 type;
 		};
@@ -47,7 +47,7 @@ namespace detail
 
 #	if (GLM_ARCH & GLM_ARCH_AVX_BIT)
 		template <>
-		struct simd_data<double, 32, true>
+		struct storage<double, 32, true>
 		{
 			typedef glm_dvec4 type;
 		};
@@ -55,13 +55,13 @@ namespace detail
 
 #	if (GLM_ARCH & GLM_ARCH_AVX2_BIT)
 		template <>
-		struct simd_data<int64, 32, true>
+		struct storage<int64, 32, true>
 		{
 			typedef glm_i64vec4 type;
 		};
 
 		template <>
-		struct simd_data<uint64, 32, true>
+		struct storage<uint64, 32, true>
 		{
 			typedef glm_u64vec4 type;
 		};
diff --git a/glm/detail/type_vec4.hpp b/glm/detail/type_vec4.hpp
index f93d6f73..5b5c7b3a 100644
--- a/glm/detail/type_vec4.hpp
+++ b/glm/detail/type_vec4.hpp
@@ -34,7 +34,7 @@ namespace glm
 				struct { T r, g, b, a; };
 				struct { T s, t, p, q; };
 
-				typename detail::simd_data<T, sizeof(T) * 4, detail::is_aligned<P>::value>::type data;
+				typename detail::storage<T, sizeof(T) * 4, detail::is_aligned<P>::value>::type data;
 
 #				ifdef GLM_SWIZZLE
 					_GLM_SWIZZLE4_2_MEMBERS(T, P, glm::tvec2, x, y, z, w)
diff --git a/test/gtc/gtc_type_aligned.cpp b/test/gtc/gtc_type_aligned.cpp
index 11bf53de..fc0a66de 100644
--- a/test/gtc/gtc_type_aligned.cpp
+++ b/test/gtc/gtc_type_aligned.cpp
@@ -52,6 +52,37 @@ struct my_u8vec4_packed
 };
 GLM_STATIC_ASSERT(sizeof(my_u8vec4_packed) == sizeof(glm::uint32) + sizeof(glm::u8vec4), "glm::u8vec4 packed is not correct");
 
+int test_copy()
+{
+	int Error = 0;
+
+	{
+		glm::aligned_ivec4 const a(1);
+		glm::ivec4 const u(a);
+
+		Error += a.x == u.x ? 0 : 1;
+		Error += a.y == u.y ? 0 : 1;
+		Error += a.z == u.z ? 0 : 1;
+		Error += a.w == u.w ? 0 : 1;
+	}
+
+	{
+		my_ivec4_aligned a;
+		a.b = glm::ivec4(1);
+
+		my_ivec4_packed u;
+		u.b = glm::ivec4(1);
+
+		Error += a.b.x == u.b.x ? 0 : 1;
+		Error += a.b.y == u.b.y ? 0 : 1;
+		Error += a.b.z == u.b.z ? 0 : 1;
+		Error += a.b.w == u.b.w ? 0 : 1;
+	}
+
+	return Error;
+}
+
+
 int main()
 {
 	int Error = 0;