diff --git a/libs/ui/widgets/KisSelectionPropertySlider.cpp b/libs/ui/widgets/KisSelectionPropertySlider.cpp
index 59f737470d..b7282c955d 100644
--- a/libs/ui/widgets/KisSelectionPropertySlider.cpp
+++ b/libs/ui/widgets/KisSelectionPropertySlider.cpp
@@ -1,89 +1,89 @@
 /*
  * Copyright (C) 2018 Jouni Pentikäinen <joupent@gmail.com>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include <kis_signal_compressor.h>
 
 #include "KisSelectionPropertySlider.h"
 
 struct KisSelectionPropertySliderBase::Private
 {
     KisSignalCompressor *signalCompressor;
     QString normalPrefix;
     QString mixedPrefix;
 
     explicit Private(KisSelectionPropertySliderBase *q)
         : signalCompressor(new KisSignalCompressor(100, KisSignalCompressor::FIRST_ACTIVE, q))
     {}
 };
 
 KisSelectionPropertySliderBase::KisSelectionPropertySliderBase(QWidget *parent)
     : KisDoubleSliderSpinBox(parent)
     , m_d(new Private(this))
 {
     connect(m_d->signalCompressor, SIGNAL(timeout()), SLOT(slotCompressedUpdate()));
 }
 
 KisSelectionPropertySliderBase::~KisSelectionPropertySliderBase()
 {}
 
 void KisSelectionPropertySliderBase::setPrefixes(const QString &normalPrefix, const QString &mixedPrefix)
 {
     m_d->normalPrefix = normalPrefix;
     m_d->mixedPrefix = mixedPrefix;
     setPrefix(normalPrefix);
 }
 
 void KisSelectionPropertySliderBase::setInternalValue(int _value, bool blockUpdateSignal)
 {
     static const qreal eps = 1e-3;
 
     if (!hasSelection()) return;
 
     setPrivateValue(_value);
 
     const qreal newValue = value();
     const qreal commonValue = getCommonValue();
     if (qAbs(commonValue - newValue) < eps) {
         return;
     }
 
     if(!blockUpdateSignal) {
         m_d->signalCompressor->start();
     }
 }
 
 void KisSelectionPropertySliderBase::slotCompressedUpdate()
 {
     emit(valueChanged(value()));
 }
 
 void KisSelectionPropertySliderBase::setSelectionValue(qreal commonValue, bool mixed)
 {
     if (mixed) {
-        setValue(0.0);
+        setInternalValue(0.0, true); // BUG:409131
         setPrefix(m_d->mixedPrefix);
     } else {
         setValue(commonValue);
         setPrefix(m_d->normalPrefix);
     }
 }
 
 KisShapePropertySlider::KisShapePropertySlider(QWidget *parent)
     : KisSelectionPropertySlider<KoShape*>::KisSelectionPropertySlider(parent)
 {}