diff --git a/device/mellanox/x86_64-nvidia_sn5640_simx-r0/platform.json b/device/mellanox/x86_64-nvidia_sn5640_simx-r0/platform.json
index d866c6a23ec..e2c714eba0b 100644
--- a/device/mellanox/x86_64-nvidia_sn5640_simx-r0/platform.json
+++ b/device/mellanox/x86_64-nvidia_sn5640_simx-r0/platform.json
@@ -1,6 +1,6 @@
 {
     "chassis": {
-        "name": "SN5600_SIMX",
+        "name": "SN5640_SIMX",
         "components": [
             {
                 "name": "ONIE"