diff --git a/openapi.json b/openapi.json
index 1717e7ee6..0c171dfba 100644
--- a/openapi.json
+++ b/openapi.json
@@ -952,7 +952,7 @@
                             "path": {
                                 "type": "string"
                             },
-                            "per_page": {
+                            "per.page": {
                                 "type": "integer"
                             },
                             "to": {