diff --git a/packages/mindplot/src/components/widget/ColorPalettePanel.js b/packages/mindplot/src/components/widget/ColorPalettePanel.js
index 3a95168d..0aa99c59 100644
--- a/packages/mindplot/src/components/widget/ColorPalettePanel.js
+++ b/packages/mindplot/src/components/widget/ColorPalettePanel.js
@@ -22,11 +22,9 @@ import ToolbarPaneItem from './ToolbarPaneItem';
 class ColorPalettePanel extends ToolbarPaneItem {
   constructor(buttonId, model, baseUrl) {
     $assert($defined(baseUrl), 'baseUrl can not be null');
-    super(buttonId, model, (() => this._setUrl(baseUrl)));
-  }
-
-  _setUrl(baseUrl) {
+    super(buttonId, model, true);
     this._baseUrl = baseUrl;
+    super._init();
   }
 
   _load() {
diff --git a/packages/mindplot/src/components/widget/ToolbarPaneItem.js b/packages/mindplot/src/components/widget/ToolbarPaneItem.js
index cdb47b91..7450038b 100644
--- a/packages/mindplot/src/components/widget/ToolbarPaneItem.js
+++ b/packages/mindplot/src/components/widget/ToolbarPaneItem.js
@@ -20,20 +20,17 @@ import ToolbarItem from './ToolbarItem';
 import FloatingTip from './FloatingTip';
 
 class ToolbarPaneItem extends ToolbarItem {
-  constructor(buttonId, model, lazyInit) {
+  constructor(buttonId, model, delayInit) {
     $assert(buttonId, 'buttonId can not be null');
     $assert(model, 'model can not be null');
     super(buttonId, null, { topicAction: true, relAction: false });
 
-    // delay initialization in case of bring required.
-    if (lazyInit) {
-      lazyInit.bind(this)();
-    }
-
     const handler = () => (this.isVisible() ? this.hide() : this.show());
     this.setEventHandler(handler);
     this._model = model;
-    this._panelElem = this._init();
+    if (!delayInit) {
+      this._panelElem = this._init();
+    }
     this._visible = false;
   }