diff --git a/simpegMT/ProblemMT.py b/simpegMT/ProblemMT.py
index 429085fe..4008b7ab 100644
--- a/simpegMT/ProblemMT.py
+++ b/simpegMT/ProblemMT.py
@@ -137,6 +137,7 @@ class MTProblem(Problem.BaseProblem):
             pool.close()
             pool.join()
         print 'Ran for {:f} seconds'.format(time.time()-startTime)
+        sys.stdout.flush()
         return F