diff --git a/ide/addtoprojectdlg.lfm b/ide/addtoprojectdlg.lfm
index d415a50dcf..b31a5d0540 100644
--- a/ide/addtoprojectdlg.lfm
+++ b/ide/addtoprojectdlg.lfm
@@ -11,15 +11,14 @@ object AddToProjectDialog: TAddToProjectDialog
   OnClose = AddToProjectDialogClose
   Position = poScreenCenter
   LCLVersion = '0.9.27'
-  object Notebook: TNotebook
+  object Notebook: TPageControl
     Left = 0
     Height = 300
     Top = 0
     Width = 500
     Align = alClient
-    PageIndex = 0
     TabOrder = 0
-    object AddEditorFilePage: TPage
+    object AddEditorFilePage: TTabSheet
       Caption = 'AddEditorFilePage'
       ClientWidth = 492
       ClientHeight = 274
@@ -56,7 +55,7 @@ object AddToProjectDialog: TAddToProjectDialog
         ShowBevel = False
       end
     end
-    object NewDependPage: TPage
+    object NewDependPage: TTabSheet
       Caption = 'NewDependPage'
       ClientWidth = 492
       ClientHeight = 274
@@ -124,7 +123,7 @@ object AddToProjectDialog: TAddToProjectDialog
         ShowBevel = False
       end
     end
-    object AddFilesPage: TPage
+    object AddFilesPage: TTabSheet
       Caption = 'AddFilesPage'
       ClientWidth = 492
       ClientHeight = 274
diff --git a/ide/addtoprojectdlg.pas b/ide/addtoprojectdlg.pas
index 56822c8793..45702921d5 100644
--- a/ide/addtoprojectdlg.pas
+++ b/ide/addtoprojectdlg.pas
@@ -61,10 +61,10 @@ type
     FileButtonPanel: TButtonPanel;
     DependButtonPanel: TButtonPanel;
     // notebook
-    NoteBook: TNoteBook;
-    AddEditorFilePage: TPage;
-    NewDependPage: TPage;
-    AddFilesPage: TPage;
+    NoteBook: TPageControl;
+    AddEditorFilePage: TTabSheet;
+    NewDependPage: TTabSheet;
+    AddFilesPage: TTabSheet;
     // add file page
     AddFileLabel: TLabel;
     AddFileListBox: TListBox;