diff --git a/src/TrackPanel.cpp b/src/TrackPanel.cpp
index 58390de57..6c8efd12c 100644
--- a/src/TrackPanel.cpp
+++ b/src/TrackPanel.cpp
@@ -1229,12 +1229,12 @@ void TrackPanel::HandleControlKey(bool down)
 
 void TrackPanel::HandlePageUpKey()
 {
-   mListener->TP_ScrollWindow(GetScreenEndTime());
+   mListener->TP_ScrollWindow(2 * mViewInfo->h - GetScreenEndTime());
 }
 
 void TrackPanel::HandlePageDownKey()
 {
-   mListener->TP_ScrollWindow(2 * mViewInfo->h - GetScreenEndTime());
+   mListener->TP_ScrollWindow(GetScreenEndTime());
 }
 
 void TrackPanel::HandleCursorForLastMouseEvent()