diff --git a/workflow/scripts/untarBCL.sh b/workflow/scripts/untarBCL.sh
index d36355d70a56a7aa164979774fc95aa26f2c69cf..ed4f935ee3fb07e81314dd54f5dd4e070aaea58d 100644
--- a/workflow/scripts/untarBCL.sh
+++ b/workflow/scripts/untarBCL.sh
@@ -15,7 +15,7 @@ done
 
 shift $(($OPTIND -1));
 
-folder=$(tar -tf '$tar' | grep -o "^[^/]*/\$");
+folder=$(tar -tf $tar | grep -o "^[^/]*/\$");
 folder1=`echo "$folder" | tr -d ' '`;
 
 if [ "$folder" != "$folder1" ];