diff --git a/Source/StartupPopup.cs b/Source/StartupPopup.cs
index e2a693c1..17d05e68 100644
--- a/Source/StartupPopup.cs
+++ b/Source/StartupPopup.cs
@@ -41,6 +41,10 @@ public void Start()
 
         private static void RememberPreference()
         {
+            FileInfo fi = new FileInfo(PreferenceFilePath);
+            if (!Directory.Exists(fi.Directory.FullName))
+                Directory.CreateDirectory(fi.Directory.FullName);
+
             // create empty file
             File.Create(PreferenceFilePath).Close();
         }