Problem with debugging

Hi
I am working with reby debugger but there is a problem. In below code :

i = 1
j = 0
until i > 1000000
i *= 2
j += 1
end
puts “i = #{i}, j = #{j}”

When I go into the loop( with “step” ) and then set a breakpoint in
lines that are out of the loop , debugger doesn’t go to that point.
Please help me to solve the problem.
thanks

Change:

until i > 1000000

to:

until i > 1