diff --git a/crpptbx/AUG/gdat_aug.m b/crpptbx/AUG/gdat_aug.m
index 1edc84b264f8022a1fcba62203e4d1280b46a797..09da3e2e3eca1c62c6a143e5dd78414d23c05784 100644
--- a/crpptbx/AUG/gdat_aug.m
+++ b/crpptbx/AUG/gdat_aug.m
@@ -1877,6 +1877,7 @@ elseif strcmp(mapping_for_aug.method,'switchcase')
 	gdat_params_eff.data_request = {'RAP',[rap_signals{j} '_' gdat_data.gdat_params.source{i}(1)],gdat_params_eff.exp_name};
 	abcd = gdat_aug(gdat_data.shot,gdat_params_eff);
 	gdat_data.(gdat_data.gdat_params.source{i}).(rap_signals{j}) = abcd;
+	gdat_data.(gdat_data.gdat_params.source{i}).(rap_signals{j}).description = rap_desc_signals{j};
 	if strcmp(rap_signals{j},'q') && ~isempty(abcd.data)
 	  % promote q at top level of gdat_data.(gdat_data.gdat_params.source{i})
 	  gdat_data.(gdat_data.gdat_params.source{i}).data = abcd.data;