diff --git a/crpptbx/TCV/gdat_tcv.m b/crpptbx/TCV/gdat_tcv.m
index 9218a6be40cee9ce7e48010644ac5af650916632..d0cd8ca826357c1fc26e7ff063bd93e9ff1fd0c5 100644
--- a/crpptbx/TCV/gdat_tcv.m
+++ b/crpptbx/TCV/gdat_tcv.m
@@ -1394,7 +1394,7 @@ elseif strcmp(mapping_for_tcv.method,'switchcase')
       
       try
         if isempty(gdat_data.gdat_params.time_interval);
-          [sig,t,Sat_channel,cat_default] = XTOMOGetData(shot,[],[],camera_xtomo,[]);
+          [sig,t,Sat_channel,cat_default] = XTOMOGetData(shot,0,4,camera_xtomo,[]);
         else
           [sig,t,Sat_channel,cat_default] = XTOMOGetData(shot,gdat_data.gdat_params.time_interval(1), ...
           gdat_data.gdat_params.time_interval(2),camera_xtomo,[]);