diff --git a/libs/pigment/compositeops/KoCompositeOpDestinationAtop.h b/libs/pigment/compositeops/KoCompositeOpDestinationAtop.h
index 685acf56c3..14e7b83b13 100644
--- a/libs/pigment/compositeops/KoCompositeOpDestinationAtop.h
+++ b/libs/pigment/compositeops/KoCompositeOpDestinationAtop.h
@@ -1,77 +1,75 @@
 /*
  *  Copyright (c) 2016 Wolthera van Hövell tot Westerflier <griffinvalley@gmail.com>
  *  Copyright (c) 2012 José Luis Vergara <pentalis@gmail.com>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 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
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser 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.
 */
 
 #ifndef _KOCOMPOSITEOPDESTINATIONATOP_H_
 #define _KOCOMPOSITEOPDESTINATIONATOP_H_
 
 #include "KoCompositeOpBase.h"
 
 /**
  *  Generic implementation of the Destination-atop composite op, based off the behind composite op.
  *  This is necessary for Open Raster support.
  *  https://www.w3.org/TR/compositing-1/
  */
 template<class CS_Traits>
 class KoCompositeOpDestinationAtop : public KoCompositeOpBase<CS_Traits, KoCompositeOpDestinationAtop<CS_Traits> >
 {
     typedef KoCompositeOpBase<CS_Traits, KoCompositeOpDestinationAtop<CS_Traits> > base_class;
     typedef typename CS_Traits::channels_type channels_type;
 
     static const qint8 channels_nb = CS_Traits::channels_nb;
     static const qint8 alpha_pos   = CS_Traits::alpha_pos;
 
 public:
     KoCompositeOpDestinationAtop(const KoColorSpace * cs)
         : base_class(cs, COMPOSITE_DESTINATION_ATOP, i18n("Destination Atop"), KoCompositeOp::categoryMix()) { }
 
 public:
     template<bool alphaLocked, bool allChannelFlags>
     inline static channels_type composeColorChannels(const channels_type* src, channels_type srcAlpha,
                                                      channels_type*       dst, channels_type dstAlpha,
                                                      channels_type  maskAlpha, channels_type  opacity,
                                                      const QBitArray& channelFlags                    )  {
         using namespace Arithmetic;
 
         channels_type appliedAlpha       = mul(maskAlpha, srcAlpha, opacity);
 
         channels_type newDstAlpha        = appliedAlpha;
 
         if (dstAlpha != zeroValue<channels_type>() && srcAlpha != zeroValue<channels_type>()) {
             // blend the color channels as if we were painting on the layer below
             for (qint8 channel = 0; channel < channels_nb; ++channel)
                 if(channel != alpha_pos && (allChannelFlags || channelFlags.testBit(channel))) {
-                    /*each color blended in proportion to their calculated opacity*/
-                    channels_type srcMult= mul(src[channel], appliedAlpha);
-                    dst[channel] = lerp(srcMult,dst[channel],dstAlpha);
+                    dst[channel] = lerp(src[channel],dst[channel],dstAlpha);
                 }
         }
         else if (srcAlpha != zeroValue<channels_type>()) {
             // don't blend if the color of the destination is undefined (has zero opacity)
             // copy the source channel instead
             for (qint8 channel = 0; channel < channels_nb; ++channel)
                 if(channel != alpha_pos && (allChannelFlags || channelFlags.testBit(channel)))
                     dst[channel] = src[channel];
         }
 
         return newDstAlpha;
     }
 };
 
 #endif  // _KOCOMPOSITEOPDESTINATIONATOP_H_