diff --git a/VECTO/VECTO.vbproj b/VECTO/VECTO.vbproj
index ac437b23eefabe3b0cd4c8e0fbc80b91b43ad838..b1e8f51030f0829ba49b657492f99c3ff8d01536 100644
--- a/VECTO/VECTO.vbproj
+++ b/VECTO/VECTO.vbproj
@@ -143,6 +143,7 @@
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
     <DefineConstants>
     </DefineConstants>
+    <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Deploy|x86'">
     <DefineTrace>true</DefineTrace>
diff --git a/VECTO3GUI/VECTO3GUI.csproj b/VECTO3GUI/VECTO3GUI.csproj
index 22bdc6c3d529df10cab4c417e4429111fb7ed927..0fa658def1080cf9de2441da36aacf057ec5b21a 100644
--- a/VECTO3GUI/VECTO3GUI.csproj
+++ b/VECTO3GUI/VECTO3GUI.csproj
@@ -24,6 +24,7 @@
     <DefineConstants>DEBUG;TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
+    <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <PlatformTarget>AnyCPU</PlatformTarget>
@@ -33,6 +34,7 @@
     <DefineConstants>TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
+    <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <PropertyGroup>
     <ApplicationIcon>Resources\Icon2.ico</ApplicationIcon>