diff --git a/Flags.go b/Flags.go
index 087b074f..84526aec 100644
--- a/Flags.go
+++ b/Flags.go
@@ -110,6 +110,10 @@ const (
 
 	// WindowFlagsNoNav combines WindowFlagsNoNavInputs and WindowFlagsNoNavFocus.
 	WindowFlagsNoNav WindowFlags = WindowFlags(imgui.WindowFlagsNoNav)
+
+	// WindowFlagsNoDocking Disable docking of this window.
+	WindowFlagsNoDocking WindowFlags = WindowFlags(imgui.WindowFlagsNoDocking)
+
 	// WindowFlagsNoDecoration combines WindowFlagsNoTitleBar, WindowFlagsNoResize, WindowFlagsNoScrollbar and
 	// WindowFlagsNoCollapse.
 	WindowFlagsNoDecoration WindowFlags = WindowFlags(imgui.WindowFlagsNoDecoration)