diff --git a/borg_exporter.sh b/borg_exporter.sh
index 09b3510..3c9b9d1 100755
--- a/borg_exporter.sh
+++ b/borg_exporter.sh
@@ -3,13 +3,20 @@
 ENVFIILE=/etc/prometheus/node_exporter/borg_exporter.env
 [[ -f "$ENVFIILE" ]] && source "$ENVFIILE"
 
-REPO_BASE=${REPO_BASE:-/home/backup/borg}
 TEXTFILE_COLLECTOR_DIR=${TEXTFILE_COLLECTOR_DIR:-/var/lib/node_exporter/}
 
 PROM_FILE=$TEXTFILE_COLLECTOR_DIR/backup.prom
 TMP_FILE=$PROM_FILE.$$
 
-mapfile -t REPOS < <(find "$REPO_BASE" -type d -name data -print0 | xargs --null -n1 dirname)
+if [[ -n "$REPO_BASE" ]] ; then
+  REPOS+=("$REPO_BASE")
+fi
+
+for repo_base in "${REPO_BASES[@]}"; do
+  mapfile -t TMP < <(find "$repo_base" -type d -name data -print0 | xargs --null -n1 dirname)
+  REPOS+=( "${TMP[@]}" )
+  unset TMP
+done
 
 if [[ -n "${REPOS[*]}" ]] ; then
   echo "# TYPE backup_age_seconds gauge"