diff --git a/MPF.Library/Utilities/Drive.cs b/MPF.Library/Utilities/Drive.cs
index 63c0d38d..2995fda3 100644
--- a/MPF.Library/Utilities/Drive.cs
+++ b/MPF.Library/Utilities/Drive.cs
@@ -100,7 +100,7 @@ namespace MPF.Utilities
             }
             finally
             {
-                fs.Dispose();
+                fs?.Dispose();
             }
         }
     }