diff --git a/entrypoint.sh b/entrypoint.sh
index 71770a9..0914080 100644
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -17,7 +17,7 @@ sed -i "s/\#relayhost = /relayhost = ${POSTFIX_RELAY_HOST}/g" /etc/postfix/main.
 echo "root:$ROOT_PASSWD" | chpasswd
 
 # Start the first process
-/usr/bin/postfix start
+/usr/sbin/postfix start
 ./usr/lib/x86_64-linux-gnu/proxmox-backup/proxmox-backup-api &
 sleep 10