diff --git a/libs/image/KisImageSignals.h b/libs/image/KisImageSignals.h
index 6156dc8f11..343cdd2743 100644
--- a/libs/image/KisImageSignals.h
+++ b/libs/image/KisImageSignals.h
@@ -1,95 +1,95 @@
 /*
  *  Copyright (c) 2018 Dmitry Kazakov <dimula73@gmail.com>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
  *  the Free Software Foundation; either version 2 of the License, or
  *  (at your option) any later version.
  *
  *  This program 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 General Public License for more details.
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
 #ifndef KISIMAGESIGNALS_H
 #define KISIMAGESIGNALS_H
 
 #include <QVector>
 #include <QRectF>
 #include "kritaimage_export.h"
 #include "kis_types.h"
 
 enum KisImageSignalTypeEnum {
     LayersChangedSignal,
     ModifiedSignal,
     SizeChangedSignal,
     ProfileChangedSignal,
     ColorSpaceChangedSignal,
     ResolutionChangedSignal,
     NodeReselectionRequestSignal
 };
 
 /**
  * A special signal which handles stillPoint capabilities of the image
  *
  * \see KisImage::sigSizeChanged()
  */
-struct ComplexSizeChangedSignal {
+struct KRITAIMAGE_EXPORT ComplexSizeChangedSignal {
     ComplexSizeChangedSignal();
     ComplexSizeChangedSignal(QPointF _oldStillPoint, QPointF _newStillPoint);
 
     /**
      * A helper method calculating the still points from image areas
      * we process. It works as if the source image was "cropped" by \p
      * portionOfOldImage, and this portion formed the new image of size
      * \p transformedIntoImageOfSize.
      *
      * Note, that \p portionOfTheImage may be equal to the image bounds().
      */
     ComplexSizeChangedSignal(const QRect &portionOfOldImage, const QSize &transformedIntoImageOfSize);
 
     ComplexSizeChangedSignal inverted() const;
 
     QPointF oldStillPoint;
     QPointF newStillPoint;
 };
 
 /**
  * A special signal which handles emitting signals for node reselection
  *
  * \see KisImage::sigRequestNodeReselection()
  */
-struct ComplexNodeReselectionSignal {
+struct KRITAIMAGE_EXPORT ComplexNodeReselectionSignal {
     ComplexNodeReselectionSignal();
     ComplexNodeReselectionSignal(KisNodeSP _newActiveNode, KisNodeList _newSelectedNodes,
                                  KisNodeSP _oldActiveNode = KisNodeSP(), KisNodeList _oldSelectedNodes = KisNodeList());
 
     ComplexNodeReselectionSignal inverted() const;
 
     KisNodeSP newActiveNode;
     KisNodeList newSelectedNodes;
     KisNodeSP oldActiveNode;
     KisNodeList oldSelectedNodes;
 };
 
-struct KisImageSignalType {
+struct KRITAIMAGE_EXPORT KisImageSignalType {
     KisImageSignalType();
     KisImageSignalType(KisImageSignalTypeEnum _id);
     KisImageSignalType(ComplexSizeChangedSignal signal);
     KisImageSignalType(ComplexNodeReselectionSignal signal);
 
     KisImageSignalType inverted() const;
 
     KisImageSignalTypeEnum id;
     ComplexSizeChangedSignal sizeChangedSignal;
     ComplexNodeReselectionSignal nodeReselectionSignal;
 };
 
 typedef QVector<KisImageSignalType> KisImageSignalVector;
 
 #endif // KISIMAGESIGNALS_H