     else
       1 < delta.absoluteAspectRatio
 
-  gestureBegin:   (e) ->  @_gestureScrollStartPosition =  @_gestureScrollPosition = @getPendingScrollPosition()
+  gestureBegin:   (e) -> @_gestureActive = true; @_gestureScrollStartPosition =  @_gestureScrollPosition = @getPendingScrollPosition()
   gestureResume:  (e) ->
   gestureMove:    (e) ->
     scrollPosition = @_gestureScrollPosition += @getMainCoordinate e.delta

      boundedSp + overScrollTransformation scrollPosition - boundedSp, @_windowSize
    else scrollPosition

  gestureEnd:     (e) -> @animateToValidScrollPosition()

    super
    @_spMinusTp = 0

    @_gestureActive = false
    @_validScrollPositionCheckScheduled = false
    @_inFlowChildren = null
    @_childrenOffset = 0
    @_childrenSize = 0
