diff --git a/pykat/__init__.py b/pykat/__init__.py
index 6b4a4aef4337c56459618387ede613e52e6495a6..6a27a3ab6b727ccacf4b76bbe542a5c824d2c81b 100644
--- a/pykat/__init__.py
+++ b/pykat/__init__.py
@@ -3,7 +3,7 @@ from __future__ import division
 from __future__ import print_function
 from __future__ import unicode_literals
 
-__version__ = "1.0.2"
+__version__ = "1.0.3"
 
 # This flag is used to switch on the gui features in pkat at import time
 USE_GUI = False
diff --git a/pykat/finesse.py b/pykat/finesse.py
index d1b60c0502bea05103a3d7648d00c1930f19add9..d8e5663e22f3bbb619f0f07185a8441f286baa4d 100644
--- a/pykat/finesse.py
+++ b/pykat/finesse.py
@@ -1433,8 +1433,7 @@ class kat(object):
 
             pipe_name = katfile.name + str(uuid.uuid4())
             
-            #cmd=[kat_exec, "--pykat=" + pipe_name]
-            cmd=[kat_exec, "--perl1"]
+            cmd=[kat_exec, "--pykat=" + pipe_name]
             
             if self.__time_code:
                 cmd.append('--perf-timing')