diff --git a/dlanguimonod.sln b/dlanguimonod.sln
index 4f92e4e1..7c2693bd 100644
--- a/dlanguimonod.sln
+++ b/dlanguimonod.sln
@@ -3,7 +3,7 @@ Microsoft Visual Studio Solution File, Format Version 11.00
 # Visual Studio 2010
 Project("{3947E667-4C90-4C3A-BEB9-7148D6FE0D7C}") = "dlanguilib", "dlanguilib.dproj", "{440816C8-DBD6-454C-A0D7-B6E59CA1ED86}"
 EndProject
-Project("{3947E667-4C90-4C3A-BEB9-7148D6FE0D7C}") = "example1", "examples\example1\example1.dproj", "{440816C8-DBD6-454C-A0D7-B6E59CA1ED86}"
+Project("{3947E667-4C90-4C3A-BEB9-7148D6FE0D7D}") = "example1", "examples\example1\example1.dproj", "{440816C8-DBD6-454C-A0D7-B6E59CA1ED87}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
diff --git a/examples/example1/example1.dproj b/examples/example1/example1.dproj
index 0c7aceeb..50169e77 100644
--- a/examples/example1/example1.dproj
+++ b/examples/example1/example1.dproj
@@ -5,7 +5,7 @@
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
     <ProductVersion>10.0.0</ProductVersion>
     <SchemaVersion>2.0</SchemaVersion>
-    <ProjectGuid>{440816C8-DBD6-454C-A0D7-B6E59CA1ED86}</ProjectGuid>
+    <ProjectGuid>{440816C8-DBD6-454C-A0D7-B6E59CA1ED87}</ProjectGuid>
     <UseDefaultCompiler>true</UseDefaultCompiler>
     <IncrementalLinking>true</IncrementalLinking>
     <PreferOneStepBuild>true</PreferOneStepBuild>