EXEC Inside A Cursor Iteration Problem

I 've have a stored procedure that compares fields across databases.
In order to do so it requires 2 values it acquires from 2 tables. The
search is based on the ID of the data owner and a subject:

proc_evaluate_results @StudentId = '222222', Course = 'PSY101'

In order to obtain those values I run a cursor accross my records and
SELECT THEM INTO 2 @variables, which then replace 222222 and PSY101
with dynamic values eg.

--define a cursor etc.etc.

WHILE @@cursor_fetch = 0
BEGIN
--do the cursor call INTO @vars
EXEC proc_evaluate_results @StudentId = @studentID, @Course =
@CourseCode
END

Now,the vars are being passed to the stored procedure and executed OK,
but the cursor gets stuck on the last record and continues to evaluate
it until stopped manually.

If I comment out the EXEC and replace it with eg. PRINT @Course + ' |
' + @CourseCode it runs fine, exiting after the last record.


Thanks
R>