diff --git a/source/Cosmos.Shell.Guess/Cosmos.Shell.Guess.csproj b/source/Cosmos.Shell.Guess/Cosmos.Shell.Guess.csproj
index 7726dd8c6..ce444a618 100644
--- a/source/Cosmos.Shell.Guess/Cosmos.Shell.Guess.csproj
+++ b/source/Cosmos.Shell.Guess/Cosmos.Shell.Guess.csproj
@@ -26,6 +26,7 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <PlatformTarget>x86</PlatformTarget>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>