diff --git a/platform/mellanox/mlnx-ffb.sh b/platform/mellanox/mlnx-ffb.sh
index 1488bb2c6b..d0bef9d577 100755
--- a/platform/mellanox/mlnx-ffb.sh
+++ b/platform/mellanox/mlnx-ffb.sh
@@ -23,8 +23,8 @@ check_sdk_upgrade()
 {
     CHECK_RESULT="${FFB_FAILURE}"
 
-    NEXT_SONIC_IMAGE="$(sonic_installer list | grep "Next: " | cut -f2 -d' ')"
-    CURRENT_SONIC_IMAGE="$(sonic_installer list | grep "Current: " | cut -f2 -d' ')"
+    NEXT_SONIC_IMAGE="$(sonic-installer list | grep "Next: " | cut -f2 -d' ')"
+    CURRENT_SONIC_IMAGE="$(sonic-installer list | grep "Current: " | cut -f2 -d' ')"
 
     FS_PATH="/host/image-${NEXT_SONIC_IMAGE#SONiC-OS-}/fs.squashfs"
     FS_MOUNTPOINT="/tmp/image-${NEXT_SONIC_IMAGE#SONiC-OS-}-fs"
diff --git a/platform/mellanox/mlnx-fw-upgrade.j2 b/platform/mellanox/mlnx-fw-upgrade.j2
index d0f69c35e0..c24c5b006f 100755
--- a/platform/mellanox/mlnx-fw-upgrade.j2
+++ b/platform/mellanox/mlnx-fw-upgrade.j2
@@ -217,8 +217,8 @@ function UpgradeFW() {
 }
 
 function UpgradeFWFromImage() {
-    local -r _NEXT_SONIC_IMAGE="$(sonic_installer list | grep "Next: " | cut -f2 -d' ')"
-    local -r _CURRENT_SONIC_IMAGE="$(sonic_installer list | grep "Current: " | cut -f2 -d' ')"
+    local -r _NEXT_SONIC_IMAGE="$(sonic-installer list | grep "Next: " | cut -f2 -d' ')"
+    local -r _CURRENT_SONIC_IMAGE="$(sonic-installer list | grep "Current: " | cut -f2 -d' ')"
 
     local -r _FS_PATH="/host/image-${_NEXT_SONIC_IMAGE#SONiC-OS-}/fs.squashfs"
     local -r _FS_MOUNTPOINT="/tmp/image-${_NEXT_SONIC_IMAGE#SONiC-OS-}-fs"