diff --git a/Backgammon/Backgammon.vcxproj b/Backgammon/Backgammon.vcxproj
index 1fe35ef..dabfe13 100644
--- a/Backgammon/Backgammon.vcxproj
+++ b/Backgammon/Backgammon.vcxproj
@@ -41,7 +41,7 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v140</PlatformToolset>
+    <PlatformToolset>v120</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">