diff --git a/apps/ramp-server/plumber.R b/apps/ramp-server/plumber.R
index 01e9714..ac76622 100644
--- a/apps/ramp-server/plumber.R
+++ b/apps/ramp-server/plumber.R
@@ -328,7 +328,7 @@ function(analyte) {
     analytes_df <- RaMP::rampFastCata(
       db = rampDB,
       analytes = analyte,
-      namesOrIds = "ids"
+      NamesOrIds = "ids"
     )
   },
     error = function(cond) {
diff --git a/apps/ramp-server/ramp_openapi_with_extensions.yml b/apps/ramp-server/ramp_openapi_with_extensions.yml
index 22856d1..344be40 100644
--- a/apps/ramp-server/ramp_openapi_with_extensions.yml
+++ b/apps/ramp-server/ramp_openapi_with_extensions.yml
@@ -395,7 +395,7 @@ paths:
                   type: array
                   items:
                     type: string
-                namesOrIds:
+                NamesOrIds:
                   type: string
                   enum: ['name', 'ids']
                   required: false
diff --git a/libs/features/ramp/ramp-api/src/assets/data/ramp_openapi_with_extensions.yml b/libs/features/ramp/ramp-api/src/assets/data/ramp_openapi_with_extensions.yml
index 22856d1..344be40 100644
--- a/libs/features/ramp/ramp-api/src/assets/data/ramp_openapi_with_extensions.yml
+++ b/libs/features/ramp/ramp-api/src/assets/data/ramp_openapi_with_extensions.yml
@@ -395,7 +395,7 @@ paths:
                   type: array
                   items:
                     type: string
-                namesOrIds:
+                NamesOrIds:
                   type: string
                   enum: ['name', 'ids']
                   required: false