4 files changed, 5 insertions, 5 deletions

diff --git a/src/internal/WixInternal.BaseBuildTasks.Sources/BaseToolsetTask.cs b/src/internal/WixInternal.BaseBuildTasks.Sources/BaseToolsetTask.cs
index 6edd4a35..56277912 100644
--- a/src/internal/WixInternal.BaseBuildTasks.Sources/BaseToolsetTask.cs
+++ b/src/internal/WixInternal.BaseBuildTasks.Sources/BaseToolsetTask.cs
@@ -178,11 +178,11 @@ namespace WixToolset.BaseBuildTasks
         private string GetDefaultToolFullPath()
         {
 #if NETCOREAPP
-                var thisTaskFolder = Path.GetDirectoryName(typeof(BaseToolsetTask).Assembly.Location);
+                var thisTaskFolder = Path.GetDirectoryName(Path.GetFullPath(typeof(BaseToolsetTask).Assembly.Location));
 
                 return Path.Combine(thisTaskFolder, this.ToolExe);
 #else
-                var thisTaskFolder = Path.GetDirectoryName(new Uri(typeof(BaseToolsetTask).Assembly.CodeBase).AbsolutePath);
+                var thisTaskFolder = Path.GetDirectoryName(Path.GetFullPath(new Uri(typeof(BaseToolsetTask).Assembly.CodeBase).LocalPath));
 
                 return this.FindArchitectureSpecificToolPath(thisTaskFolder);
 #endif
diff --git a/src/tools/test/WixToolsetTest.HeatTasks/MsbuildHeatFixture.cs b/src/tools/test/WixToolsetTest.HeatTasks/MsbuildHeatFixture.cs
index 1b7e1a32..cea76712 100644
--- a/src/tools/test/WixToolsetTest.HeatTasks/MsbuildHeatFixture.cs
+++ b/src/tools/test/WixToolsetTest.HeatTasks/MsbuildHeatFixture.cs
@@ -13,7 +13,7 @@ namespace WixToolsetTest.Sdk
 
     public class MsbuildHeatFixture
     {
-        public static readonly string HeatTargetsPath = Path.Combine(Path.GetDirectoryName(new Uri(typeof(MsbuildHeatFixture).Assembly.CodeBase).AbsolutePath), "..", "..", "..", "publish", "WixToolset.Heat", "build", "WixToolset.Heat.targets");
+        public static readonly string HeatTargetsPath = Path.Combine(Path.GetDirectoryName(new Uri(typeof(MsbuildHeatFixture).Assembly.CodeBase).LocalPath), "..", "..", "..", "publish", "WixToolset.Heat", "build", "WixToolset.Heat.targets");
 
         public MsbuildHeatFixture()
         {
diff --git a/src/wix/test/WixToolsetTest.BuildTasks/WixBuildTaskFixture.cs b/src/wix/test/WixToolsetTest.BuildTasks/WixBuildTaskFixture.cs
index 3d110b81..3709130b 100644
--- a/src/wix/test/WixToolsetTest.BuildTasks/WixBuildTaskFixture.cs
+++ b/src/wix/test/WixToolsetTest.BuildTasks/WixBuildTaskFixture.cs
@@ -15,7 +15,7 @@ namespace WixToolsetTest.BuildTasks
 
     public class WixBuildTaskFixture
     {
-        public static readonly string PublishedWixSdkToolsFolder = Path.Combine(Path.GetDirectoryName(new Uri(typeof(WixBuildTaskFixture).Assembly.CodeBase).AbsolutePath), "..", "..", "..", "publish", "WixToolset.Sdk", "tools");
+        public static readonly string PublishedWixSdkToolsFolder = Path.Combine(Path.GetDirectoryName(new Uri(typeof(WixBuildTaskFixture).Assembly.CodeBase).LocalPath), "..", "..", "..", "publish", "WixToolset.Sdk", "tools");
 
         // This line replicates what happens in WixBuild task when hosted in the PublishedWixSdkToolsFolder. However, WixBuild task is hosted inproc to this test assembly so the
         // root folder is relative to the test assembly's folder which does not have wix.exe local. So, we have to find wix.exe relative to PublishedWixSdkToolsFolder.
diff --git a/src/wix/test/WixToolsetTest.Sdk/MsbuildFixture.cs b/src/wix/test/WixToolsetTest.Sdk/MsbuildFixture.cs
index 845df9be..a259298c 100644
--- a/src/wix/test/WixToolsetTest.Sdk/MsbuildFixture.cs
+++ b/src/wix/test/WixToolsetTest.Sdk/MsbuildFixture.cs
@@ -11,7 +11,7 @@ namespace WixToolsetTest.Sdk
 
     public class MsbuildFixture
     {
-        public static readonly string WixMsbuildPath = Path.Combine(Path.GetDirectoryName(new Uri(typeof(MsbuildFixture).Assembly.CodeBase).AbsolutePath), "..", "..", "..", "publish", "WixToolset.Sdk");
+        public static readonly string WixMsbuildPath = Path.Combine(Path.GetDirectoryName(new Uri(typeof(MsbuildFixture).Assembly.CodeBase).LocalPath), "..", "..", "..", "publish", "WixToolset.Sdk");
         public static readonly string WixPropsPath = Path.Combine(WixMsbuildPath, "build", "WixToolset.Sdk.props");
 
         [Theory]