diff --git a/samples/animate/anitest.cpp b/samples/animate/anitest.cpp
index 085a5cb859..31c5b52bba 100644
--- a/samples/animate/anitest.cpp
+++ b/samples/animate/anitest.cpp
@@ -261,7 +261,7 @@ void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) )
     info.AddDeveloper(wxT("Guillermo Rodriguez Garcia"));
     info.AddDeveloper(wxT("Francesco Montorsi"));
 
-    wxAboutBox(info);
+    wxAboutBox(info, this);
 }
 
 #if wxUSE_FILEDLG
diff --git a/samples/collpane/collpane.cpp b/samples/collpane/collpane.cpp
index c9ac96610e..c141c7d962 100644
--- a/samples/collpane/collpane.cpp
+++ b/samples/collpane/collpane.cpp
@@ -268,7 +268,7 @@ void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) )
     info.SetDescription(_("This sample program demonstrates usage of wxCollapsiblePane"));
     info.SetCopyright(wxT("(C) 2006 Francesco Montorsi <frm@users.sourceforge.net>"));
 
-    wxAboutBox(info);
+    wxAboutBox(info, this);
 }
 
 void MyFrame::OnCollapseUpdateUI(wxUpdateUIEvent& event)
diff --git a/samples/dataview/dataview.cpp b/samples/dataview/dataview.cpp
index 630430a418..c6e1f60002 100644
--- a/samples/dataview/dataview.cpp
+++ b/samples/dataview/dataview.cpp
@@ -955,7 +955,7 @@ void MyFrame::OnAbout( wxCommandEvent& WXUNUSED(event) )
     info.AddDeveloper("Robert Roebling");
     info.AddDeveloper("Francesco Montorsi");
 
-    wxAboutBox(info);
+    wxAboutBox(info, this);
 }
 
 
diff --git a/samples/grid/griddemo.cpp b/samples/grid/griddemo.cpp
index fc21df836a..56b831f51d 100644
--- a/samples/grid/griddemo.cpp
+++ b/samples/grid/griddemo.cpp
@@ -1375,7 +1375,7 @@ void GridFrame::About(  wxCommandEvent& WXUNUSED(ev) )
     // work with it for some reason) is moved over it.
     aboutInfo.SetWebSite(wxT("http://www.wxwidgets.org"));
 
-    wxAboutBox(aboutInfo);
+    wxAboutBox(aboutInfo, this);
 }
 
 
diff --git a/samples/treelist/treelist.cpp b/samples/treelist/treelist.cpp
index f3a1e07fc7..2bdc74507a 100644
--- a/samples/treelist/treelist.cpp
+++ b/samples/treelist/treelist.cpp
@@ -569,7 +569,7 @@ void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
     info.SetDescription("wxTreeListCtrl wxWidgets sample.");
     info.SetCopyright("(C) 2011 Vadim Zeitlin <vadim@wxwidgets.org>");
 
-    wxAboutBox(info);
+    wxAboutBox(info, this);
 }
 
 void MyFrame::OnExit(wxCommandEvent& WXUNUSED(event))