Tooltip not showing if button is disabled

[MonkeyJumps]

`            <MappleToolTip className='fusionToolbar'>                        
                        <button type="button" className="btn btn-primary toolBarButtons" onClick={this.openModal} disabled={isActionDisabled}><img className="toolBarImages" src="/Content/images/reroute.png" /></button>
                        <div>Re-route document</div>
                        </MappleToolTip>`