diff --git a/templates/borg_exporter.j2 b/templates/borg_exporter.j2
index bf9dd94..83abf1a 100644
--- a/templates/borg_exporter.j2
+++ b/templates/borg_exporter.j2
@@ -10,7 +10,7 @@ TMP_FILE=$PROM_FILE.$$
 HOSTNAME=$(hostname)
 
 BORG_INFO=$(borgmatic --no-color info --last 1 ) || mv $TMP_FILE $PROM_FILE
-echo "backup_last_run{host=\"${HOSTNAME}\"} $(echo "$BORG_INFO" | grep "Time (start)" | awk '{print $4}')" >> $TMP_FILE
+echo "backup_last_run{host=\"${HOSTNAME}\"} $(echo "$BORG_INFO" | grep "Time (start)" | awk '{print $4, $5}' | xargs -i date -d "{}" +"%s")" >> $TMP_FILE
 echo "backup_files{host=\"${HOSTNAME}\"} $(echo "$BORG_INFO" | grep "Number of files" | awk '{print $4}')" >> $TMP_FILE
 echo "backup_chunks_unique{host=\"${HOSTNAME}\"} $(echo "$BORG_INFO" | grep "Chunk index" | awk '{print $3}')" >> $TMP_FILE
 echo "backup_chunks_total{host=\"${HOSTNAME}\"} $(echo "$BORG_INFO" | grep "Chunk index" | awk '{print $4}')" >> $TMP_FILE