diff --git a/wx/lib/agw/aui/framemanager.py b/wx/lib/agw/aui/framemanager.py
index 6fc54511e..0c5f56433 100644
--- a/wx/lib/agw/aui/framemanager.py
+++ b/wx/lib/agw/aui/framemanager.py
@@ -9370,7 +9370,7 @@ def OnMotion_DragFloatingPane(self, eventOrPt):
 
                 notebookRoot = GetNotebookRoot(self._panes, paneInfo.notebook_id)
 
-                if not notebookRoot or not notebookRoot.IsDocked():
+                if not notebookRoot or not notebookRoot.IsDocked() or not notebookRoot.IsShown():
                     continue
 
             rc = paneInfo.window.GetScreenRect()