diff --git a/fboss/platform/configs/morgan800cc/platform_manager.json b/fboss/platform/configs/morgan800cc/platform_manager.json
index 6d31d6b45f45a..301257bdf774f 100644
--- a/fboss/platform/configs/morgan800cc/platform_manager.json
+++ b/fboss/platform/configs/morgan800cc/platform_manager.json
@@ -438,7 +438,7 @@
           "presenceDetection": {
             "gpioLineHandle": {
               "devicePath": "/[MCB_MCB_GPIO]",
-              "ineIndex": 48,
+              "lineIndex": 48,
               "desiredValue": 1
             }
           }