diff --git a/glm/detail/type_vec2.hpp b/glm/detail/type_vec2.hpp
index 78e70019..9e2668ca 100644
--- a/glm/detail/type_vec2.hpp
+++ b/glm/detail/type_vec2.hpp
@@ -38,6 +38,10 @@ namespace glm
 #				pragma clang diagnostic push
 #				pragma clang diagnostic ignored "-Wgnu-anonymous-struct"
 #				pragma clang diagnostic ignored "-Wnested-anon-types"
+#			endif
+#			if GLM_COMPILER & GLM_COMPILER_VC
+#				pragma warning(push)
+#				pragma warning(disable: 4201)
 #			endif
 		
 			union
@@ -60,6 +64,9 @@ namespace glm
 
 			};
 		
+#			if GLM_COMPILER & GLM_COMPILER_VC
+#				pragma warning(pop)
+#			endif
 #			if GLM_COMPILER & GLM_COMPILER_CLANG
 #				pragma clang diagnostic pop
 #			endif
diff --git a/glm/detail/type_vec3.hpp b/glm/detail/type_vec3.hpp
index 3669ccde..4c6e07e1 100644
--- a/glm/detail/type_vec3.hpp
+++ b/glm/detail/type_vec3.hpp
@@ -38,6 +38,10 @@ namespace glm
 #				pragma clang diagnostic push
 #				pragma clang diagnostic ignored "-Wgnu-anonymous-struct"
 #				pragma clang diagnostic ignored "-Wnested-anon-types"
+#			endif
+#			if GLM_COMPILER & GLM_COMPILER_VC
+#				pragma warning(push)
+#				pragma warning(disable: 4201)
 #			endif
 
 			union
@@ -59,6 +63,9 @@ namespace glm
 #				endif//GLM_SWIZZLE
 			};
 		
+#			if GLM_COMPILER & GLM_COMPILER_VC
+#				pragma warning(pop)
+#			endif
 #			if GLM_COMPILER & GLM_COMPILER_CLANG
 #				pragma clang diagnostic pop
 #			endif
diff --git a/glm/detail/type_vec4.hpp b/glm/detail/type_vec4.hpp
index 3e338bc4..722717bc 100644
--- a/glm/detail/type_vec4.hpp
+++ b/glm/detail/type_vec4.hpp
@@ -38,6 +38,10 @@ namespace glm
 #				pragma clang diagnostic push
 #				pragma clang diagnostic ignored "-Wgnu-anonymous-struct"
 #				pragma clang diagnostic ignored "-Wnested-anon-types"
+#			endif
+#			if GLM_COMPILER & GLM_COMPILER_VC
+#				pragma warning(push)
+#				pragma warning(disable: 4201)
 #			endif
 
 			union
@@ -61,6 +65,9 @@ namespace glm
 #				endif//GLM_SWIZZLE
 			};
 
+#			if GLM_COMPILER & GLM_COMPILER_VC
+#				pragma warning(pop)
+#			endif
 #			if GLM_COMPILER & GLM_COMPILER_CLANG
 #				pragma clang diagnostic pop
 #			endif
diff --git a/glm/ext/vec1.hpp b/glm/ext/vec1.hpp
index f3bb1e34..3a0ce2c7 100644
--- a/glm/ext/vec1.hpp
+++ b/glm/ext/vec1.hpp
@@ -55,6 +55,10 @@ namespace glm
 #				pragma clang diagnostic push
 #				pragma clang diagnostic ignored "-Wgnu-anonymous-struct"
 #				pragma clang diagnostic ignored "-Wnested-anon-types"
+#			endif
+#			if GLM_COMPILER & GLM_COMPILER_VC
+#				pragma warning(push)
+#				pragma warning(disable: 4201)
 #			endif
 		
 			union
@@ -76,6 +80,9 @@ namespace glm
 #				endif//GLM_SWIZZLE*/
 			};
 		
+#			if GLM_COMPILER & GLM_COMPILER_VC
+#				pragma warning(pop)
+#			endif
 #			if GLM_COMPILER & GLM_COMPILER_CLANG
 #				pragma clang diagnostic pop
 #			endif
diff --git a/glm/gtc/quaternion.hpp b/glm/gtc/quaternion.hpp
index b43ec04d..ea40a670 100644
--- a/glm/gtc/quaternion.hpp
+++ b/glm/gtc/quaternion.hpp
@@ -48,6 +48,10 @@ namespace glm
 #				pragma clang diagnostic push
 #				pragma clang diagnostic ignored "-Wgnu-anonymous-struct"
 #				pragma clang diagnostic ignored "-Wnested-anon-types"
+#			endif
+#			if GLM_COMPILER & GLM_COMPILER_VC
+#				pragma warning(push)
+#				pragma warning(disable: 4201)
 #			endif
 		
 			union
@@ -56,6 +60,9 @@ namespace glm
 				typename detail::storage<T, sizeof(T) * 4, detail::is_aligned<Q>::value>::type data;
 			};
 		
+#			if GLM_COMPILER & GLM_COMPILER_VC
+#				pragma warning(pop)
+#			endif
 #			if GLM_COMPILER & GLM_COMPILER_CLANG
 #				pragma clang diagnostic pop
 #			endif