diff --git a/scripting/workspace_wrapper.h b/scripting/workspace_wrapper.h
--- a/scripting/workspace_wrapper.h
+++ b/scripting/workspace_wrapper.h
@@ -70,7 +70,7 @@
     Q_PROPERTY(int displayHeight READ displayHeight)
     Q_PROPERTY(int activeScreen READ activeScreen)
     Q_PROPERTY(int numScreens READ numScreens NOTIFY numberScreensChanged)
-    Q_PROPERTY(QString currentActivity READ currentActivity NOTIFY currentActivityChanged)
+    Q_PROPERTY(QString currentActivity READ currentActivity WRITE setCurrentActivity NOTIFY currentActivityChanged)
     Q_PROPERTY(QStringList activities READ activityList NOTIFY activitiesChanged)
     /**
      * The bounding size of all screens combined. Overlapping areas
@@ -208,6 +208,7 @@
 void setter( rettype val );
     GETTERSETTERDEF(int, numberOfDesktops, setNumberOfDesktops)
     GETTERSETTERDEF(int, currentDesktop, setCurrentDesktop)
+    GETTERSETTERDEF(QString, currentActivity, setCurrentActivity)
     GETTERSETTERDEF(KWin::AbstractClient*, activeClient, setActiveClient)
 #undef GETTERSETTERDEF
     QSize desktopGridSize() const;
@@ -221,7 +222,6 @@
     QSize displaySize() const;
     int activeScreen() const;
     int numScreens() const;
-    QString currentActivity() const;
     QStringList activityList() const;
     QSize virtualScreenSize() const;
     QRect virtualScreenGeometry() const;
diff --git a/scripting/workspace_wrapper.cpp b/scripting/workspace_wrapper.cpp
--- a/scripting/workspace_wrapper.cpp
+++ b/scripting/workspace_wrapper.cpp
@@ -113,6 +113,17 @@
 #endif
 }
 
+void WorkspaceWrapper::setCurrentActivity(QString activity)
+{
+#ifdef KWIN_BUILD_ACTIVITIES
+    if (Activities::self()) {
+        Activities::self()->setCurrent(activity);
+    }
+#else
+    Q_UNUSED(activity)
+#endif
+}
+
 QStringList WorkspaceWrapper::activityList() const
 {
 #ifdef KWIN_BUILD_ACTIVITIES