diff --git a/Code/EcmaScript.NET/EcmaScript.NET.csproj b/Code/EcmaScript.NET/EcmaScript.NET.csproj
index 4a8e1b8..2505bcd 100644
--- a/Code/EcmaScript.NET/EcmaScript.NET.csproj
+++ b/Code/EcmaScript.NET/EcmaScript.NET.csproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="4.0">
+<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="12.0">
   <PropertyGroup>
     <ProjectType>Local</ProjectType>
     <ProductVersion>9.0.30729</ProductVersion>
@@ -38,7 +38,7 @@
     <SignAssembly>true</SignAssembly>
     <OldToolsVersion>3.5</OldToolsVersion>
     <IsWebBootstrapper>false</IsWebBootstrapper>
-    <TargetFrameworkVersion>v2.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5.1</TargetFrameworkVersion>
     <PublishUrl>publish\</PublishUrl>
     <Install>true</Install>
     <InstallFrom>Disk</InstallFrom>
@@ -80,6 +80,7 @@
     <DebugType>full</DebugType>
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
+    <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <OutputPath>bin\Release\</OutputPath>
@@ -104,6 +105,7 @@
     <DebugType>none</DebugType>
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
+    <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="mscorlib">
diff --git a/Code/EcmaScript.NET/Types/Cli/CliPackage.cs b/Code/EcmaScript.NET/Types/Cli/CliPackage.cs
index 906c961..439813b 100644
--- a/Code/EcmaScript.NET/Types/Cli/CliPackage.cs
+++ b/Code/EcmaScript.NET/Types/Cli/CliPackage.cs
@@ -39,7 +39,7 @@ public void Load (string assembly)
         {
             try {
                 ImportAssembly (
-                    this.ParentScope, Assembly.LoadWithPartialName (assembly));
+                    this.ParentScope, Assembly.Load (assembly));
             }
             catch (FileNotFoundException e) {
                 throw ScriptRuntime.ConstructError ("EvalError", "Failed to load assembly: " + e.Message);