diff --git a/js/ui/button.js b/js/ui/button.js
index 574060565..73f4a0933 100644
--- a/js/ui/button.js
+++ b/js/ui/button.js
@@ -18,8 +18,8 @@ const PARTIAL_OPACITY = 0.4 * 255;
 
 const FULL_OPACITY = 255;
 
-function Button(text, buttonColor, pressedButtonColor, minWidth, minHeight) {
-    this._init(text, buttonColor, pressedButtonColor, minWidth, minHeight);
+function Button(text, buttonColor, pressedButtonColor, staysPressed, minWidth, minHeight) {
+    this._init(text, buttonColor, pressedButtonColor, staysPressed, minWidth, minHeight);
 }
 
 Button.prototype = {
diff --git a/js/ui/panel.js b/js/ui/panel.js
index 0cd4c8070..a43f3dbe8 100644
--- a/js/ui/panel.js
+++ b/js/ui/panel.js
@@ -34,7 +34,7 @@ Panel.prototype = {
 	background.set_position(-1, -1);
 	this._group.add_actor(background);
 
- 	this.button = new Button.Button("Activities", PANEL_BACKGROUND_COLOR, PRESSED_BUTTON_BACKGROUND_COLOR, true, null, PANEL_HEIGHT);
+ 	this.button = new Button.Button("Activities", PANEL_BACKGROUND_COLOR, PRESSED_BUTTON_BACKGROUND_COLOR, true, null, PANEL_HEIGHT-1);
 
  	this._group.add_actor(this.button.button);