diff --git a/src/servers/app/DesktopListener.cpp b/src/servers/app/DesktopListener.cpp
index 8f37d73360..e6fcc422d0 100644
--- a/src/servers/app/DesktopListener.cpp
+++ b/src/servers/app/DesktopListener.cpp
@@ -198,7 +198,7 @@ DesktopObservable::NotifyWindowActivated(Window* window)
 
 	for (DesktopListener* listener = fDesktopListenerList.First();
 		listener != NULL; listener = fDesktopListenerList.GetNext(listener))
-		listener->WindowActitvated(window);
+		listener->WindowActivated(window);
 }
 
 
diff --git a/src/servers/app/DesktopListener.h b/src/servers/app/DesktopListener.h
index 760e6a98d2..1f976ac2dc 100644
--- a/src/servers/app/DesktopListener.h
+++ b/src/servers/app/DesktopListener.h
@@ -50,7 +50,7 @@ public:
 
 	virtual void				WindowMoved(Window* window) = 0;
 	virtual void				WindowResized(Window* window) = 0;
-	virtual void				WindowActitvated(Window* window) = 0;
+	virtual void				WindowActivated(Window* window) = 0;
 	virtual void				WindowSentBehind(Window* window,
 									Window* behindOf) = 0;
 	virtual void				WindowWorkspacesChanged(Window* window,
diff --git a/src/servers/app/stackandtile/StackAndTile.cpp b/src/servers/app/stackandtile/StackAndTile.cpp
index 52ff9fe4be..ed5e100834 100644
--- a/src/servers/app/stackandtile/StackAndTile.cpp
+++ b/src/servers/app/stackandtile/StackAndTile.cpp
@@ -324,7 +324,7 @@ StackAndTile::WindowResized(Window* window)
 
 
 void
-StackAndTile::WindowActitvated(Window* window)
+StackAndTile::WindowActivated(Window* window)
 {
 	SATWindow* satWindow = GetSATWindow(window);
 	if (satWindow == NULL)
diff --git a/src/servers/app/stackandtile/StackAndTile.h b/src/servers/app/stackandtile/StackAndTile.h
index d61b0c007e..14e0917f12 100644
--- a/src/servers/app/stackandtile/StackAndTile.h
+++ b/src/servers/app/stackandtile/StackAndTile.h
@@ -67,7 +67,7 @@ public:
 
 	virtual void				WindowMoved(Window* window);
 	virtual void				WindowResized(Window* window);
-	virtual void				WindowActitvated(Window* window);
+	virtual void				WindowActivated(Window* window);
 	virtual void				WindowSentBehind(Window* window,
 									Window* behindOf);
 	virtual void				WindowWorkspacesChanged(Window* window,