diff --git a/api.yaml b/api.yaml
index e977ec8..d3cda8e 100644
--- a/api.yaml
+++ b/api.yaml
@@ -21,7 +21,12 @@ paths:
           content:
             application/json:
               schema:
-                $ref: '#/components/schemas/ArticleSummary'
+                type: object
+                properties:
+                  articles:
+                    type: array
+                    items:
+                      $ref: '#/components/schemas/ArticleSummary'
 
   /api/search:
     get:
@@ -48,7 +53,12 @@ paths:
           content:
             application/json:
               schema:
-                $ref: '#/components/schemas/ArticleSummary'
+                type: object
+                properties:
+                  articles:
+                    type: array
+                    items:
+                      $ref: '#/components/schemas/ArticleSummary'
 components:
   schemas:
     ArticleSummary:
@@ -63,6 +73,7 @@ components:
         image:
           type: string
           description: Link to a preview image
+          nullable: true
         link:
           type: string
           description: Link to the article itself