diff --git a/source/Components/AvalonDock/Controls/LayoutFloatingWindowControl.cs b/source/Components/AvalonDock/Controls/LayoutFloatingWindowControl.cs
index b6805938..5c2d4b44 100644
--- a/source/Components/AvalonDock/Controls/LayoutFloatingWindowControl.cs
+++ b/source/Components/AvalonDock/Controls/LayoutFloatingWindowControl.cs
@@ -69,7 +69,10 @@ protected LayoutFloatingWindowControl(ILayoutElement model)
 			Closing += OnClosing;
 			SizeChanged += OnSizeChanged;
 			_model = model;
-		}
+			// Since this control is not part of the visual tree DockingManager the resources (such as styles) are not used in this control.
+			// By manually merging these resources the behaviour is what the user would expect.
+            Resources.MergedDictionaries.Add(model.Root.Manager.Resources);
+        }
 
 		protected LayoutFloatingWindowControl(ILayoutElement model, bool isContentImmutable)
 		  : this(model)