diff --git a/crpptbx/TCV/gdat_tcv.m b/crpptbx/TCV/gdat_tcv.m
index dd7f3cb9621c2455482f71bdba3dc7157cdaa0e5..08b7ed605e04d7c602d084670c2572808a22a63e 100644
--- a/crpptbx/TCV/gdat_tcv.m
+++ b/crpptbx/TCV/gdat_tcv.m
@@ -1438,7 +1438,7 @@ else
   return
 end
 
-if ishot==shot; mdsclose; end
+%if ishot==shot; mdsclose; end
 
 gdat_data.gdat_params.help = tcv_help_parameters(fieldnames(gdat_data.gdat_params));
 gdat_data.mapping_for.tcv = mapping_for_tcv;