diff --git a/ide/toolbardata.pas b/ide/toolbardata.pas
index acd2bbc793..ef6c1e1ba5 100644
--- a/ide/toolbardata.pas
+++ b/ide/toolbardata.pas
@@ -46,6 +46,9 @@ type
   private
     Break: Boolean;
     ButtonNames: TStringList;
+  public
+    constructor Create;
+    destructor Destroy; override;
   end;
 
   TIDEToolBarOptionList = specialize TFPGObjectList<TIDEToolBarOptions>;
@@ -164,6 +167,20 @@ uses MainBar;
 const
   BasePath = 'IDECoolBarOptions/';
 
+{ TIDEToolBarOptions }
+
+constructor TIDEToolBarOptions.Create;
+begin
+  inherited Create;
+  ButtonNames := TStringList.Create;
+end;
+
+destructor TIDEToolBarOptions.Destroy;
+begin
+  ButtonNames.Free;
+  inherited Destroy;
+end;
+
 { TIDECoolBarOptions }
 
 constructor TIDECoolBarOptions.Create;