diff --git a/win_build/boinc.sln b/win_build/boinc.sln
index 9e94629ab6..babc1ce042 100644
--- a/win_build/boinc.sln
+++ b/win_build/boinc.sln
@@ -38,6 +38,10 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "upper_case", "upper_case.vc
 		{E8F6BD7E-461A-4733-B7D8-37B09A099ED8} = {E8F6BD7E-461A-4733-B7D8-37B09A099ED8}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "boinc_gui", "boinc_gui.vcproj", "{78BA7B4E-4E37-4CAB-B954-CD906AC0E011}"
+	ProjectSection(ProjectDependencies) = postProject
+	EndProjectSection
+EndProject
 Global
 	GlobalSection(SolutionConfiguration) = preSolution
 		Debug = Debug
@@ -76,6 +80,8 @@ Global
 		{8281D898-0E64-44EB-8356-4F0336F19A35}.Debug.Build.0 = Debug|Win32
 		{8281D898-0E64-44EB-8356-4F0336F19A35}.Release.ActiveCfg = Release|Win32
 		{8281D898-0E64-44EB-8356-4F0336F19A35}.Release.Build.0 = Release|Win32
+		{78BA7B4E-4E37-4CAB-B954-CD906AC0E011}.Debug.ActiveCfg = Debug|Win32
+		{78BA7B4E-4E37-4CAB-B954-CD906AC0E011}.Release.ActiveCfg = Release|Win32
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 	EndGlobalSection