diff --git a/YACReader/main_window_viewer.cpp b/YACReader/main_window_viewer.cpp
index 9b3379c6..226eb77c 100644
--- a/YACReader/main_window_viewer.cpp
+++ b/YACReader/main_window_viewer.cpp
@@ -539,6 +539,7 @@ void MainWindowViewer::createToolBars()
 
     connect(showZoomSliderlAction,SIGNAL(triggered()),this,SLOT(toggleFitToWidthSlider()));
     connect(zoomSliderAction, SIGNAL(zoomRatioChanged(float)),viewer,SLOT(updateZoomRatio(float)));
+    connect(viewer,SIGNAL(zoomUpdated(float)),zoomSliderAction,SLOT(updateZoomRatio(float)));
 #endif
 
 	comicToolBar->addAction(leftRotationAction);
diff --git a/YACReader/viewer.cpp b/YACReader/viewer.cpp
index e05a82eb..4abbf7dd 100644
--- a/YACReader/viewer.cpp
+++ b/YACReader/viewer.cpp
@@ -382,6 +382,8 @@ void Viewer::increaseZoomFactor()
 	updateContentSize();
 	notificationsLabel->setText(QString::number(getZoomFactor()*100)+"%");
 	notificationsLabel->flash();
+
+    emit zoomUpdated(zoom);
 }
 void Viewer::decreaseZoomFactor()
 {
@@ -391,6 +393,8 @@ void Viewer::decreaseZoomFactor()
 	updateContentSize();
 	notificationsLabel->setText(QString::number(getZoomFactor()*100)+"%");
 	notificationsLabel->flash();
+
+    emit zoomUpdated(zoom);
 }
 
 qreal Viewer::getZoomFactor()
diff --git a/YACReader/viewer.h b/YACReader/viewer.h
index 6d2360d8..22d27fef 100644
--- a/YACReader/viewer.h
+++ b/YACReader/viewer.h
@@ -171,6 +171,7 @@ virtual void mouseReleaseEvent ( QMouseEvent * event );
 		void reset();
 		void openNextComic();
 		void openPreviousComic();
+        void zoomUpdated(float);
 	};
 
 #endif