diff --git a/scripts/mysql-backup-databases b/scripts/mysql-backup-databases
index 4d079f6d13ea19b2c54be5b3dc0f79d340cb2e73..6250b02be06dc085f320ec9bcde6f22b8cb6ea96 100755
--- a/scripts/mysql-backup-databases
+++ b/scripts/mysql-backup-databases
@@ -43,8 +43,8 @@ set -u
 $MKDIR -p $BACKUP_DIR
 
 # Set the current timestamp and file targets.
-DATE=$(date "+%y%m%d%H%M")
-DST_BASE="$BACKUP_DIR/$1-$DATE.sql"
+DATE=$(date "+%FT%T")
+DST_BASE="$BACKUP_DIR/$1.$DATE.sql"
 DST_FILE="$DST_BASE.gz"
 LINK_TARGET="$BACKUP_DIR/$1-LATEST.sql.gz"