diff --git a/docs/latex/wx/panel.tex b/docs/latex/wx/panel.tex
index f175de0f13..5437d61f1c 100644
--- a/docs/latex/wx/panel.tex
+++ b/docs/latex/wx/panel.tex
@@ -41,7 +41,7 @@ By default, a panel has the same colouring as a dialog.
 
 Default constructor.
 
-\func{}{wxPanel}{\param{wxWindow* }{parent}, \param{wxWindowID }{id = $-1$},\rtfsp
+\func{}{wxPanel}{\param{wxWindow* }{parent}, \param{wxWindowID }{id = \texttt{wxID\_ANY}},\rtfsp
 \param{const wxPoint\& }{pos = wxDefaultPosition},\rtfsp
 \param{const wxSize\& }{size = wxDefaultSize},\rtfsp
 \param{long}{ style = wxTAB\_TRAVERSAL},\rtfsp
@@ -79,7 +79,7 @@ Destructor. Deletes any child windows before deleting the physical window.
 
 \membersection{wxPanel::Create}\label{wxpanelcreate}
 
-\func{bool}{Create}{\param{wxWindow* }{parent}, \param{wxWindowID }{id},\rtfsp
+\func{bool}{Create}{\param{wxWindow* }{parent}, \param{wxWindowID }{id = \texttt{wxID\_ANY}},\rtfsp
 \param{const wxPoint\& }{pos = wxDefaultPosition},\rtfsp
 \param{const wxSize\& }{size = wxDefaultSize},\rtfsp
 \param{long}{ style = wxTAB\_TRAVERSAL},\rtfsp
diff --git a/include/wx/generic/panelg.h b/include/wx/generic/panelg.h
index 1cb6a708ec..be02bf70e2 100644
--- a/include/wx/generic/panelg.h
+++ b/include/wx/generic/panelg.h
@@ -58,7 +58,8 @@ public:
     }
 
     // Pseudo ctor
-    bool Create(wxWindow *parent, wxWindowID winid,
+    bool Create(wxWindow *parent,
+                wxWindowID winid = wxID_ANY,
                 const wxPoint& pos = wxDefaultPosition,
                 const wxSize& size = wxDefaultSize,
                 long style = wxTAB_TRAVERSAL | wxNO_BORDER,