diff --git a/device/arista/x86_64-arista_7800r3_48cq2_lc/platform.json b/device/arista/x86_64-arista_7800r3_48cq2_lc/platform.json
index edd9039804d7..30e4f32aff8a 100644
--- a/device/arista/x86_64-arista_7800r3_48cq2_lc/platform.json
+++ b/device/arista/x86_64-arista_7800r3_48cq2_lc/platform.json
@@ -20,6 +20,9 @@
             },
             {
                 "name": "PCIE"
+            },
+            {
+                "name": "Cpu SBTSI"
             }
         ],
         "sfps": [
diff --git a/device/arista/x86_64-arista_7800r3_48cqm2_lc/platform.json b/device/arista/x86_64-arista_7800r3_48cqm2_lc/platform.json
index 18798cabb33a..a714c370bea9 100644
--- a/device/arista/x86_64-arista_7800r3_48cqm2_lc/platform.json
+++ b/device/arista/x86_64-arista_7800r3_48cqm2_lc/platform.json
@@ -20,6 +20,9 @@
             },
             {
                 "name": "PCIE"
+            },
+            {
+                "name": "Cpu SBTSI"   
             }
         ],
         "sfps": [