diff --git a/fboss/platform/configs/morgan800cc/platform_manager.json b/fboss/platform/configs/morgan800cc/platform_manager.json
index 993eafe9118bc..301257bdf774f 100644
--- a/fboss/platform/configs/morgan800cc/platform_manager.json
+++ b/fboss/platform/configs/morgan800cc/platform_manager.json
@@ -434,13 +434,27 @@
           "slotType": "PSU_SLOT",
           "outgoingI2cBusNames": [
             "MCB_IOB_I2C_MASTER_1"
-          ]
+          ],
+          "presenceDetection": {
+            "gpioLineHandle": {
+              "devicePath": "/[MCB_MCB_GPIO]",
+              "lineIndex": 48,
+              "desiredValue": 1
+            }
+          }
         },
         "PSU_SLOT@1": {
           "slotType": "PSU_SLOT",
           "outgoingI2cBusNames": [
             "MCB_IOB_I2C_MASTER_2"
-          ]
+          ],
+          "presenceDetection": {
+            "gpioLineHandle": {
+              "devicePath": "/[MCB_MCB_GPIO]",
+              "lineIndex": 52,
+              "desiredValue": 1
+            }
+          }
         },
         "FCB_SLOT@0": {
           "slotType": "FCB_SLOT",