diff --git a/ceph/files/backup/ceph-backup-client-runner-call.sh b/ceph/files/backup/ceph-backup-client-runner-call.sh
index 74d6e92..81e49cf 100644
--- a/ceph/files/backup/ceph-backup-client-runner-call.sh
+++ b/ceph/files/backup/ceph-backup-client-runner-call.sh
@@ -22,7 +22,7 @@
     SERVERBACKUPDIR="{{ backup.client.target.get('backup_dir', backup.backup_dir) }}/full"
     TMPDIR="$( pwd )/tmp_ceph_backup"
     HOSTNAME="$( hostname )"
-    TIMESTAMP="$( date +%m%d%k%M )"
+    TIMESTAMP="$( date +%m%d%H%M )"
 
     SCRIPTDIR="/usr/local/bin"
     KEEP={{ backup.client.full_backups_to_keep }}
diff --git a/ceph/files/backup/ceph-backup-client-runner.sh b/ceph/files/backup/ceph-backup-client-runner.sh
index 2c2a0b2..971f944 100644
--- a/ceph/files/backup/ceph-backup-client-runner.sh
+++ b/ceph/files/backup/ceph-backup-client-runner.sh
@@ -7,7 +7,7 @@
     BACKUPDIR="{{ backup.backup_dir }}/full"
     TMPDIR="$( pwd )/tmp_ceph_backup"
     HOSTNAME="$( hostname )"
-    TIMESTAMP="$( date +%m%d%k%M )"
+    TIMESTAMP="$( date +%m%d%H%M )"
 
     # Need write access to local directory to create dump file
     if [ ! -w $( pwd ) ]; then