diff --git a/app/client/api-client/client/client.gen.ts b/app/client/api-client/client/client.gen.ts
index cc9b1f4e..45d0a64b 100644
--- a/app/client/api-client/client/client.gen.ts
+++ b/app/client/api-client/client/client.gen.ts
@@ -162,10 +162,16 @@ export const createClient = (config: Config = {}): Client => {
 				case "arrayBuffer":
 				case "blob":
 				case "formData":
-				case "json":
 				case "text":
 					data = await response[parseAs]();
 					break;
+				case "json": {
+					// Some servers return 200 with no Content-Length and empty body.
+					// response.json() would throw; read as text and parse if non-empty.
+					const text = await response.text();
+					data = text ? JSON.parse(text) : {};
+					break;
+				}
 				case "stream":
 					return opts.responseStyle === "data"
 						? response.body