diff --git a/Terminal.Gui/Drivers/WindowsDriver.cs b/Terminal.Gui/Drivers/WindowsDriver.cs
index 85745407a..0c32da6d9 100644
--- a/Terminal.Gui/Drivers/WindowsDriver.cs
+++ b/Terminal.Gui/Drivers/WindowsDriver.cs
@@ -418,7 +418,6 @@ namespace Terminal.Gui {
 		ManualResetEventSlim eventReady = new ManualResetEventSlim(false);
 		ManualResetEventSlim waitForProbe = new ManualResetEventSlim(false);
 		MainLoop mainLoop;
-		Action TerminalResized;
 		WindowsConsole.CharInfo [] OutputBuffer;
 		int cols, rows;
 		WindowsConsole winConsole;
@@ -556,7 +555,7 @@ namespace Terminal.Gui {
 				rows = inputEvent.WindowBufferSizeEvent.size.Y - 1;
 				ResizeScreen ();
 				UpdateOffScreen ();
-				TerminalResized ();
+				TerminalResized?.Invoke();
 				break;
 			}
 			result = null;