1 files changed, 4 insertions, 4 deletions

diff --git a/mariadb/mariadb-push-databases-to-empty-replica b/mariadb/mariadb-push-databases-to-empty-replica
index c04fd6f..29b7bb3 100755
--- a/mariadb/mariadb-push-databases-to-empty-replica
+++ b/mariadb/mariadb-push-databases-to-empty-replica
@@ -218,10 +218,10 @@ dns_check_servers()
 
 truncated_machineid_decimal_string_int32()
 {
-        systemd-id128 machine-id |
-        sha256sum |
-        ( read -n8 &&
-        printf '%u\n' 0x"$REPLY" )
+        local REPLY
+        read -r -n8 < <(systemd-id128 machine-id | sha256sum) &&
+        [ ${#REPLY} = 8 ] &&
+        printf '%u\n' 0x"$REPLY"
 }
 
 run_both()