diff --git a/pykat/finesse.py b/pykat/finesse.py
index 7fdc3806faaa64935e94469b74870b3652b19d1a..039216a6f26f83b6bb69878965f25ac23b5327ef 100644
--- a/pykat/finesse.py
+++ b/pykat/finesse.py
@@ -1542,9 +1542,6 @@ class kat(object):
 
             r.stdout = stdout.decode('unicode_escape')
             r.stderr = stderr.decode('unicode_escape')
-
-            if p.returncode != 0:
-                print(r.stderr)
             
             for line in r.stdout[::-1]:
                 if line.lstrip().startswith('computation time:'):