1 files changed, 1 insertions, 0 deletions
diff --git a/Software/Visual_Studio/PPC/Tango.PPC.UI/PPCApplication/DefaultPPCApplicationManager.cs b/Software/Visual_Studio/PPC/Tango.PPC.UI/PPCApplication/DefaultPPCApplicationManager.cs
index 1550e97e1..ef2b8aeee 100644
--- a/Software/Visual_Studio/PPC/Tango.PPC.UI/PPCApplication/DefaultPPCApplicationManager.cs
+++ b/Software/Visual_Studio/PPC/Tango.PPC.UI/PPCApplication/DefaultPPCApplicationManager.cs
@@ -367,6 +367,7 @@ namespace Tango.PPC.UI.PPCApplication
                     if (_screenLockTimer != null)
                     {
                         _screenLockTimer.Dispose();
+                        _screenLockTimer = null;
                     }
 
                     if (settings.EnableLockScreen)