diff --git a/dge_workflow/dge_utils.sh b/dge_workflow/dge_utils.sh
index f62511ed2a8db36363216a7f53251f57c2c5ed83..646ca00a655bae7059d4de4ffccd9450e06fc52d 100755
--- a/dge_workflow/dge_utils.sh
+++ b/dge_workflow/dge_utils.sh
@@ -207,6 +207,8 @@ fi
 
 ## collect all bam-files and group them
 allBams=$(find $bamDir | grep ".bam$" | grep -v "unmapped" | sort)
+## todo use optional argument here --> default "unmapped" --> allow user to add others
+#allBams=$(find $bamDir | grep ".bam$" | grep -v "unmapped" | grep -v "1029" | sort)
 
 bamsSplit=""
 for label in $(echo $labels | tr ", " " "); do