diff --git a/src/NzbDrone.Common/Disk/LongPathSupport.cs b/src/NzbDrone.Common/Disk/LongPathSupport.cs
index 81a056ea1..61825168a 100644
--- a/src/NzbDrone.Common/Disk/LongPathSupport.cs
+++ b/src/NzbDrone.Common/Disk/LongPathSupport.cs
@@ -36,7 +36,7 @@ namespace NzbDrone.Common.Disk
                     }
                     catch
                     {
-                        MAX_PATH = 260;
+                        MAX_PATH = 260 - 1;
                     }
                 }
             }