diff --git a/src/GitLink.Tests/ProjectHelperFacts.cs b/src/GitLink.Tests/ProjectHelperFacts.cs
index 76538a2..80dd7bb 100644
--- a/src/GitLink.Tests/ProjectHelperFacts.cs
+++ b/src/GitLink.Tests/ProjectHelperFacts.cs
@@ -5,13 +5,17 @@
 // --------------------------------------------------------------------------------------------------------------------
 namespace GitLink.Tests
 {
+    using System.IO;
     using System.Linq;
+    using System.Reflection;
     using NUnit.Framework;
 
     [TestFixture]
     public class ProjectHelperFacts
     {
-        private const string SolutionFile = @"TestSolution\TestSolution.sln";
+        private static readonly string SolutionFile = Path.Combine(
+            Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location),
+            @"TestSolution\TestSolution.sln");
 
         [Test]
         public void GettingProjectsFromSolution()
diff --git a/src/GitLink/Helpers/ProjectHelper.cs b/src/GitLink/Helpers/ProjectHelper.cs
index 0faad30..2afd991 100644
--- a/src/GitLink/Helpers/ProjectHelper.cs
+++ b/src/GitLink/Helpers/ProjectHelper.cs
@@ -29,7 +29,7 @@ public static class ProjectHelper
 
         static ProjectHelper()
         {
-            SolutionParserType = TypeCache.GetType("Microsoft.Build.Construction.SolutionParser");
+            SolutionParserType = TypeCache.GetType("Microsoft.Build.Construction.SolutionParser, Microsoft.Build, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a");
 
             var solutionProjectTypeType = TypeCache.GetType("Microsoft.Build.Construction.SolutionProjectType");
             if (solutionProjectTypeType != null)