diff --git a/src/NzbDrone.Update/UpdateApp.cs b/src/NzbDrone.Update/UpdateApp.cs
index ebfd3bdbb..2cf18991c 100644
--- a/src/NzbDrone.Update/UpdateApp.cs
+++ b/src/NzbDrone.Update/UpdateApp.cs
@@ -71,7 +71,7 @@ namespace NzbDrone.Update
                                      ProcessId = ParseProcessId(args[0])
                                  };
 
-            if (OsInfo.IsMono)
+            if (OsInfo.IsNotWindows)
             {
                 switch (args.Count())
                 {