diff --git a/matlab/TCV_IMAS/tcv_get_ids_bolometer.m b/matlab/TCV_IMAS/tcv_get_ids_bolometer.m
index fe32da03c125cf8e4187d09c931fdd1b1b29e345..7e4ceec6d6ffb8e7cc14336ff12b76f9a0e08f8a 100644
--- a/matlab/TCV_IMAS/tcv_get_ids_bolometer.m
+++ b/matlab/TCV_IMAS/tcv_get_ids_bolometer.m
@@ -17,7 +17,7 @@ function [ids_bolometer,ids_bolometer_description] =  ...
 
 % Initialise structure with default ids_properties
 % shot=70777; gdat_params=[]; varargin={};
-% ids_bolometer_empty=ids_empty_bolometer;
+% aa=gdat([],'ids','source','bolometer'); ids_bolometer_empty=aa.bolometer;
 [ids_bolometer, ~] = tcv_ids_headpart(shot, ids_bolometer_empty, ...
   'bolometer','homogeneous_time',1,'gdat_params',gdat_params, ...
    varargin{:});