diff --git a/v2b.sh b/v2b.sh
index 70ae3cc..cfcd80e 100755
--- a/v2b.sh
+++ b/v2b.sh
@@ -72,7 +72,11 @@ TEMPF="$(mktemp -dt -p $PWD _XXXXXXXXXXXXXXX_)"
 
 for VOL in ${VOLUMES}; do
   if [[ $REMOVE == "true" ]]; then
-    TAR="${VOL#${1}_}.tar.bz2"
+    if [[ -v 1 ]]; then
+      TAR="${VOL#${1}_}.tar.bz2"
+    else
+      TAR="${VOL#*_}.tar.bz2"
+    fi
   else
     TAR="${VOL}.tar.bz2"
   fi