diff --git a/msvc/pugixml_vs2010.sln b/msvc/pugixml_vs2010.sln
index 69c4477..3981428 100644
--- a/msvc/pugixml_vs2010.sln
+++ b/msvc/pugixml_vs2010.sln
@@ -8,17 +8,27 @@ EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Win32 = Debug|Win32
+		Debug|x64 = Debug|x64
 		Release|Win32 = Release|Win32
+		Release|x64 = Release|x64
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
 		{89A1E353-E2DC-495C-B403-742BE206ACED}.Debug|Win32.ActiveCfg = Debug|Win32
 		{89A1E353-E2DC-495C-B403-742BE206ACED}.Debug|Win32.Build.0 = Debug|Win32
+		{89A1E353-E2DC-495C-B403-742BE206ACED}.Debug|x64.ActiveCfg = Debug|x64
+		{89A1E353-E2DC-495C-B403-742BE206ACED}.Debug|x64.Build.0 = Debug|x64
 		{89A1E353-E2DC-495C-B403-742BE206ACED}.Release|Win32.ActiveCfg = Release|Win32
 		{89A1E353-E2DC-495C-B403-742BE206ACED}.Release|Win32.Build.0 = Release|Win32
+		{89A1E353-E2DC-495C-B403-742BE206ACED}.Release|x64.ActiveCfg = Release|x64
+		{89A1E353-E2DC-495C-B403-742BE206ACED}.Release|x64.Build.0 = Release|x64
 		{068BB22F-F8D8-417F-AA4A-41795D4594C6}.Debug|Win32.ActiveCfg = Debug|Win32
 		{068BB22F-F8D8-417F-AA4A-41795D4594C6}.Debug|Win32.Build.0 = Debug|Win32
+		{068BB22F-F8D8-417F-AA4A-41795D4594C6}.Debug|x64.ActiveCfg = Debug|x64
+		{068BB22F-F8D8-417F-AA4A-41795D4594C6}.Debug|x64.Build.0 = Debug|x64
 		{068BB22F-F8D8-417F-AA4A-41795D4594C6}.Release|Win32.ActiveCfg = Release|Win32
 		{068BB22F-F8D8-417F-AA4A-41795D4594C6}.Release|Win32.Build.0 = Release|Win32
+		{068BB22F-F8D8-417F-AA4A-41795D4594C6}.Release|x64.ActiveCfg = Release|x64
+		{068BB22F-F8D8-417F-AA4A-41795D4594C6}.Release|x64.Build.0 = Release|x64
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE