--- a/dcm_qa/batch.sh
+++ b/dcm_qa/batch.sh
@@ -82,5 +82,5 @@ dsstore=${outdir}/.DS_Store
 #check differences
 
 set -x
-diff -x '.*' -br "$refdir" "$outdir" -I ConversionSoftwareVersion
+diff -x '.*' -x '*_26.*' -br "$refdir" "$outdir" -I ConversionSoftwareVersion
 set +x
