diff --git a/src/pspm_dcm.m b/src/pspm_dcm.m
index 7b0f4188b..66fd6869d 100644
--- a/src/pspm_dcm.m
+++ b/src/pspm_dcm.m
@@ -361,7 +361,7 @@
 for vs = 1:numel(valid_subsessions)
   isbSn = valid_subsessions(vs);
   sbSn = subsessions(isbSn, :);
-  flanks = pspm_time2index(sbSn(2:3), data{sbSn(1)}{1}.header.sr);
+  flanks = pspm_time2index(sbSn(2:3), sr{sbSn(1)});
   sbSn_data = y{sbSn(1)}(flanks(1):flanks(2));
   sbs_miss = isnan(sbSn_data);