diff --git a/library/src/net/simonvt/widget/MenuDrawer.java b/library/src/net/simonvt/widget/MenuDrawer.java
index <HASH>..<HASH> 100644
--- a/library/src/net/simonvt/widget/MenuDrawer.java
+++ b/library/src/net/simonvt/widget/MenuDrawer.java
@@ -1060,6 +1060,7 @@ public abstract class MenuDrawer extends ViewGroup {
         switch (action) {
             case MotionEvent.ACTION_DOWN: {
                 mLastMotionX = mInitialMotionX = ev.getX();
+                mLastMotionY = ev.getY();
                 final boolean allowDrag = onDownAllowDrag(ev);
 
                 if (allowDrag) {
Fix touch handling when the drawer is open.