diff --git a/presg.py b/presg.py
index 566b631..189f832 100644
--- a/presg.py
+++ b/presg.py
@@ -298,7 +298,7 @@ def preSG(sg_xml, analysis, solver='swiftcomp', write_input=True, scrnout=True):
             cmd.append('-sc')
         cmd.append('-' + analysis)
 
-        cmd = ' '.join(cmd)
+        # cmd = ' '.join(cmd)
         try:
             FNULL = open(os.devnull, 'w')
             sbp.call(cmd, stdout=FNULL, stderr=sbp.STDOUT)