diff --git a/Duplicati/UnitTest/RestoreHandlerTests.cs b/Duplicati/UnitTest/RestoreHandlerTests.cs
index 68fa9a085..a7bd48d75 100644
--- a/Duplicati/UnitTest/RestoreHandlerTests.cs
+++ b/Duplicati/UnitTest/RestoreHandlerTests.cs
@@ -34,11 +34,18 @@ namespace Duplicati.UnitTest
             using (Controller c = new Controller("file://" + this.TARGETFOLDER, restoreOptions, null))
             {
                 c.Restore(new[] {filePath});
-                string rootString = SystemIO.IO_OS.GetPathRoot(filePath);
 
                 // We need to strip the root part of the path.  Otherwise, Path.Combine will simply return the second argument
                 // if it's determined to be an absolute path.
+                string rootString = SystemIO.IO_OS.GetPathRoot(filePath);
                 string newPathPart = filePath.Substring(rootString.Length);
+                if (Platform.IsClientWindows)
+                {
+                    // On windows, the drive letter is included in the path when the dont-compress-restore-paths option is used.
+                    // The drive letter is assumed to be the first character of the path root (e.g., C:\).
+                    newPathPart = Path.Combine(rootString.Substring(0, 1), filePath.Substring(rootString.Length));
+                }
+
                 string restoredFilePath = Path.Combine(restoreOptions["restore-path"], newPathPart);
                 Assert.IsTrue(File.Exists(restoredFilePath));
             }