diff --git a/applets/pager/package/contents/ui/main.qml b/applets/pager/package/contents/ui/main.qml
--- a/applets/pager/package/contents/ui/main.qml
+++ b/applets/pager/package/contents/ui/main.qml
@@ -51,6 +51,8 @@
 
     property int dragSwitchDesktopId: -1
 
+    property int wheelDelta: 0
+
     anchors.fill: parent
     acceptedButtons: Qt.NoButton
 
@@ -100,10 +102,30 @@
     }
 
     onWheel: {
-        if (wheel.angleDelta.y > 0 || wheel.angleDelta.x > 0) {
-            pagerModel.changePage((repeater.count + pagerModel.currentPage - 2) % repeater.count);
-        } else {
-            pagerModel.changePage(pagerModel.currentPage % repeater.count);
+        // Magic number 120 for common "one click, see:
+        // http://qt-project.org/doc/qt-5/qml-qtquick-wheelevent.html#angleDelta-prop
+        wheelDelta += wheel.angleDelta.y || wheel.angleDelta.x;
+
+        var increment = 0;
+
+        while (wheelDelta >= 120) {
+            wheelDelta -= 120;
+            increment++;
+        }
+
+        while (wheelDelta <= -120) {
+            wheelDelta += 120;
+            increment--;
+        }
+
+        while (increment != 0) {
+            if (increment < 0) {
+                pagerModel.changePage((pagerModel.currentPage + 1) % repeater.count);
+            } else {
+                pagerModel.changePage((repeater.count + pagerModel.currentPage - 1) % repeater.count);
+            }
+
+            increment += (increment < 0) ? 1 : -1;
         }
     }
 
@@ -187,7 +209,7 @@
         id: dragTimer
         interval: 1000
         onTriggered: {
-            if (dragSwitchDesktopId != -1 && dragSwitchDesktopId !== pagerModel.currentPage - 1) {
+            if (dragSwitchDesktopId != -1 && dragSwitchDesktopId !== pagerModel.currentPage) {
                 pagerModel.changePage(dragSwitchDesktopId);
             }
         }
@@ -260,7 +282,7 @@
                 id: desktop
 
                 property int desktopId: index
-                property bool active: isActivityPager ? (index == pagerModel.currentPage) : (index + 1 == pagerModel.currentPage)
+                property bool active: (index == pagerModel.currentPage)
 
                 mainText: model.display
                 // our ToolTip has maximumLineCount of 8 which doesn't fit but QML doesn't
diff --git a/applets/pager/plugin/pagermodel.h b/applets/pager/plugin/pagermodel.h
--- a/applets/pager/plugin/pagermodel.h
+++ b/applets/pager/plugin/pagermodel.h
@@ -101,7 +101,7 @@
 
     Q_INVOKABLE void moveWindow(int window, double x, double y, int targetItemId, int sourceItemId,
         qreal widthScaleFactor, qreal heightScaleFactor);
-    Q_INVOKABLE void changePage(int itemId);
+    Q_INVOKABLE void changePage(int page);
     Q_INVOKABLE void drop(QMimeData *mimeData, int itemId);
     Q_INVOKABLE void addDesktop();
     Q_INVOKABLE void removeDesktop();
diff --git a/applets/pager/plugin/pagermodel.cpp b/applets/pager/plugin/pagermodel.cpp
--- a/applets/pager/plugin/pagermodel.cpp
+++ b/applets/pager/plugin/pagermodel.cpp
@@ -351,7 +351,7 @@
 int PagerModel::currentPage() const
 {
     if (d->pagerType == VirtualDesktops) {
-        return d->virtualDesktopInfo->currentDesktop();
+        return d->virtualDesktopInfo->currentDesktop() - 1;
     } else {
         return d->activityInfo->runningActivities().indexOf(d->activityInfo->currentActivity());
     }
@@ -518,34 +518,33 @@
 #endif
 }
 
-void PagerModel::changePage(int itemId)
+void PagerModel::changePage(int page)
 {
+
 #if HAVE_X11
     if (!KWindowSystem::isPlatformX11()) {
         return;
     }
 
-    const int targetId = (d->pagerType == VirtualDesktops) ? itemId + 1 : itemId;
-
-    if (currentPage() == targetId) {
+    if (currentPage() == page) {
         if (d->showDesktop) {
             QDBusConnection::sessionBus().asyncCall(QDBusMessage::createMethodCall(QLatin1String("org.kde.plasmashell"),
                 QLatin1String("/PlasmaShell"),
                 QLatin1String("org.kde.PlasmaShell"),
                 QLatin1String("toggleDashboard")));
         }
     } else {
         if (d->pagerType == VirtualDesktops) {
-            KWindowSystem::setCurrentDesktop(targetId);
+            KWindowSystem::setCurrentDesktop(page + 1);
         } else {
             const QStringList &runningActivities = d->activityInfo->runningActivities();
-
-            if (targetId < runningActivities.length()) {
+            if (page < runningActivities.length()) {
                 KActivities::Controller activitiesController;
-                activitiesController.setCurrentActivity(runningActivities.at(targetId));
+                activitiesController.setCurrentActivity(runningActivities.at(page));
             }
         }
     }
+
 #else
     Q_UNUSED(itemId)
 #endif