I have an issue with a bar / line chart which has 2 Y-axis - 1 has negative values (bars) and 1 doesn't have any negative values (lines).
The problem is that when they are displayed together, lines (which are all positive) seem to start below the X-axis and it visually looks as they are negative. Is there any way to adjust the line Y-axis (the one with positive values) so it starts above the X-axis and visually looks as being positive?

I am using excel 2007