diff --git a/platform/mellanox/hw-management/0002-make-hw-mgmt-SimX-compatiable.patch b/platform/mellanox/hw-management/0002-make-hw-mgmt-SimX-compatiable.patch
index aa8f4c4255..327023899d 100644
--- a/platform/mellanox/hw-management/0002-make-hw-mgmt-SimX-compatiable.patch
+++ b/platform/mellanox/hw-management/0002-make-hw-mgmt-SimX-compatiable.patch
@@ -31,7 +31,7 @@ index c8261a3..bb27493 100755
 +    esac
 +}
 +
-+if [[ $(cat /sys/devices/virtual/dmi/id/chassis_vendor) -eq "QEMU" ]]; then
++if [[ $(cat /sys/devices/virtual/dmi/id/chassis_vendor) = "QEMU" ]]; then
 +    handle_simx
 +    exit 0
 +fi
diff --git a/platform/mellanox/mlnx-fw-upgrade.j2 b/platform/mellanox/mlnx-fw-upgrade.j2
index 30796cd6f9..3857244a15 100755
--- a/platform/mellanox/mlnx-fw-upgrade.j2
+++ b/platform/mellanox/mlnx-fw-upgrade.j2
@@ -230,7 +230,7 @@ function UpgradeFWFromImage() {
 }
 
 function ExitIfQEMU() {
-    if [[ $(cat /sys/devices/virtual/dmi/id/chassis_vendor) -eq "QEMU" ]]; then
+    if [[ $(cat /sys/devices/virtual/dmi/id/chassis_vendor) = "QEMU" ]]; then
         ExitSuccess "No FW upgrade for SimX platform"
     fi
 }