diff --git a/files/build_templates/swss.service.j2 b/files/build_templates/swss.service.j2
index bcda050e3c..23d2dfbd55 100644
--- a/files/build_templates/swss.service.j2
+++ b/files/build_templates/swss.service.j2
@@ -25,6 +25,7 @@ ExecStartPre=/usr/bin/docker exec database redis-cli -n 5 FLUSHDB
 ExecStartPre=/usr/bin/docker exec database redis-cli -n 6 FLUSHDB
 
 {% if sonic_asic_platform == 'mellanox' %}
+Environment=FAST_BOOT=1
 TimeoutStartSec=3min
 ExecStartPre=/usr/bin/mst start
 ExecStartPre=/usr/bin/mlnx-fw-upgrade.sh