Volta 1 extgends in next measurer

I have a score in 6/8 time. The final measure before a repeat that is convered by Volta1 is not full count but the measure is set to 5/8. The volta extends into the next measure for what would be the 6th beat of the normal measurer. The volta does not seem to be able to be manipulated with the normal line length adjustiment tools. Image attached of the measure that is the second ending. Using version 4.4.