diff --git a/src/bin/screen_blanker/ScreenSaverWindow.cpp b/src/bin/screen_blanker/ScreenSaverWindow.cpp
index 5a9526b1e2..5f39cfc8c3 100644
--- a/src/bin/screen_blanker/ScreenSaverWindow.cpp
+++ b/src/bin/screen_blanker/ScreenSaverWindow.cpp
@@ -38,9 +38,10 @@ ScreenSaverFilter::Filter(BMessage* message, BHandler** target)
 			}
 			case B_MOUSE_MOVED:
 			{
-				// ignore the initial "fake" B_MOUSE_MOVED sent by the app_server
-				bool fake = false;
-				if (message->FindBool("_fake", &fake) == B_OK && fake)
+				// ignore the initial B_MOUSE_MOVED sent by the app_server
+				bool transit_only = false;
+				if (message->FindBool("be:transit_only", &transit_only) == B_OK
+					&& transit_only)
 					return B_DISPATCH_MESSAGE;
 
 				// Fall through
diff --git a/src/servers/app/EventDispatcher.cpp b/src/servers/app/EventDispatcher.cpp
index f6a2c388b9..818e2a8c0d 100644
--- a/src/servers/app/EventDispatcher.cpp
+++ b/src/servers/app/EventDispatcher.cpp
@@ -555,8 +555,8 @@ EventDispatcher::_SendFakeMouseMoved(BMessage* message)
 	moved.AddInt32("_view_token", viewToken);
 		// this only belongs to the new target
 
-	moved.AddBool("_fake", true);
-		// let the view know this is fake
+	moved.AddBool("be:transit_only", true);
+		// let the view know this what not user generated
 
 	_SendMessage(target, &moved, kMouseTransitImportance);