diff --git a/matlab/TCV/gdat_tcv.m b/matlab/TCV/gdat_tcv.m
index 2e8b2ad310907deeebe874953b8ab8d83becd998..5da9427ca7ab12ecb2ffaeb5a3e9714497066ef9 100644
--- a/matlab/TCV/gdat_tcv.m
+++ b/matlab/TCV/gdat_tcv.m
@@ -2356,7 +2356,7 @@ elseif strcmp(mapping_for_tcv.method,'switchcase')
    case {'powers'}
     % note: same time array for all main, ec, ohm, nbi, ...
     % At this stage fill just ech, later add nbi
-    sources_avail = {'ohm','ec','nbi','rad', 'nb2'}; % note should allow ech, nbh, ohmic in parameter sources
+    sources_avail = {'ohm','ec','nbi1','rad', 'nbi2'}; % note should allow ech, nbh, ohmic in parameter sources
     % create empty structures for all, so in return one always have same substructres
     for i=1:length(sources_avail)
       gdat_data.(sources_avail{i}).data = [];