diff --git a/api-ref/source/parameters.yaml b/api-ref/source/parameters.yaml
index be5c2ad96843..3b3247da6656 100644
--- a/api-ref/source/parameters.yaml
+++ b/api-ref/source/parameters.yaml
@@ -3836,7 +3836,7 @@ server_kernel_id:
 server_launch_index:
   in: body
   required: true
-  type: int
+  type: integer
   description: |
     When servers are launched via multiple create, this is the
     sequence in which the servers were launched.