diff --git a/crpptbx/AUG/aug_requests_mapping.m b/crpptbx/AUG/aug_requests_mapping.m
index da601b3e14c17cca27222e5d5678813795ef5a71..796d29265d733fcc455f0e98d9a27875f3daf709 100644
--- a/crpptbx/AUG/aug_requests_mapping.m
+++ b/crpptbx/AUG/aug_requests_mapping.m
@@ -280,7 +280,7 @@ switch lower(data_request)
  case 'volume'
   mapping.label = 'Volume';
   mapping.timedim = 1;
-  mapping.method = 'switchcase';
+  mapping.method = 'signal';
   mapping.expression = [{'FPG'},{'Vol'},{'AUGD'}];
  case 'volume_rho'
   mapping.timedim = 2;
diff --git a/crpptbx/AUG/gdat_aug.m b/crpptbx/AUG/gdat_aug.m
index 60e0ccad5c3eacd2d4c1833385813491a4586928..3b77c8a06e70f3f859672e13d6cb9757cd0e6529 100644
--- a/crpptbx/AUG/gdat_aug.m
+++ b/crpptbx/AUG/gdat_aug.m
@@ -1619,7 +1619,7 @@ elseif strcmp(mapping_for_aug.method,'switchcase')
     end
 
     %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-   case {'rho_tor', 'rhotor_edge', 'rhovol', 'volume', 'volume_rho'}
+   case {'rho_tor', 'rhotor_edge', 'rhovol', 'volume_rho'}
     if strcmp(upper(gdat_data.gdat_params.equil),'FPG')
       gdat_params_prev = gdat_data.gdat_params; gdat_params_eff = gdat_params_prev;
       gdat_params_eff.data_request = [{'FPG'},{'fax-bnd'},{'AUGD'}];