diff --git a/docs/api/swagger.yaml b/docs/api/swagger.yaml
index d95825b6e..5ff5346bc 100644
--- a/docs/api/swagger.yaml
+++ b/docs/api/swagger.yaml
@@ -10261,7 +10261,8 @@ paths:
                   name: status
                   type: string
                   x-go-name: Status
-                - description: |-
+                - collectionFormat: multi
+                  description: |-
                     Array of Attachment ids to be attached as media.
                     If provided, status becomes optional, and poll cannot be used.
 
@@ -10270,10 +10271,12 @@ paths:
                   in: formData
                   items:
                     type: string
-                  name: media_ids
+                  name: media_ids[]
                   type: array
+                  uniqueItems: true
                   x-go-name: MediaIDs
-                - description: |-
+                - collectionFormat: multi
+                  description: |-
                     Array of possible poll answers.
                     If provided, media_ids cannot be used, and poll[expires_in] must be provided.
                   in: formData
@@ -10281,6 +10284,7 @@ paths:
                     type: string
                   name: poll[options][]
                   type: array
+                  uniqueItems: true
                   x-go-name: PollOptions
                 - description: |-
                     Duration the poll should be open, in seconds.
diff --git a/internal/api/client/statuses/statuscreate.go b/internal/api/client/statuses/statuscreate.go
index c83cdbad7..d187e823f 100644
--- a/internal/api/client/statuses/statuscreate.go
+++ b/internal/api/client/statuses/statuscreate.go
@@ -75,7 +75,7 @@
 //		type: string
 //		in: formData
 //	-
-//		name: media_ids
+//		name: media_ids[]
 //		x-go-name: MediaIDs
 //		description: |-
 //			Array of Attachment ids to be attached as media.
@@ -87,6 +87,8 @@
 //		items:
 //			type: string
 //		in: formData
+//		collectionFormat: multi
+//		uniqueItems: true
 //	-
 //		name: poll[options][]
 //		x-go-name: PollOptions
@@ -97,6 +99,8 @@
 //		items:
 //			type: string
 //		in: formData
+//		collectionFormat: multi
+//		uniqueItems: true
 //	-
 //		name: poll[expires_in]
 //		x-go-name: PollExpiresIn