diff --git a/lib/builder_web.ml b/lib/builder_web.ml
index e33ca5c..de2a7c1 100644
--- a/lib/builder_web.ml
+++ b/lib/builder_web.ml
@@ -411,7 +411,7 @@ let routes ~datadir ~cachedir ~configdir ~expired_jobs =
     if is_accept_json req then
       let json_response =
         `Assoc [
-          "job_name", `String job_name;
+          "job", `String job_name;
           "uuid", `String (Uuidm.to_string build.uuid);
           "platform", `String build.platform;
           "start_time", `String (Ptime.to_rfc3339 build.start);
@@ -621,7 +621,7 @@ let routes ~datadir ~cachedir ~configdir ~expired_jobs =
       let json_response =
         `Assoc [
           "left", `Assoc [
-            "job_name", `String job_left;
+            "job", `String job_left;
             "uuid", `String (Uuidm.to_string build_left.uuid);
             "platform", `String build_left.platform;
             "start_time", `String (Ptime.to_rfc3339 build_left.start);
@@ -630,8 +630,8 @@ let routes ~datadir ~cachedir ~configdir ~expired_jobs =
             "main_binary_size", file_size_json build_left_file_size;
           ];
           "right", `Assoc [
-            "job_name", `String job_right;
-            "build", `String (Uuidm.to_string build_right.uuid);
+            "job", `String job_right;
+            "uuid", `String (Uuidm.to_string build_right.uuid);
             "platform", `String build_right.platform;
             "start_time", `String (Ptime.to_rfc3339 build_right.start);
             "finish_time", `String (Ptime.to_rfc3339 build_right.finish);
diff --git a/lib/utils.ml b/lib/utils.ml
index 76f7031..190ef75 100644
--- a/lib/utils.ml
+++ b/lib/utils.ml
@@ -1,4 +1,3 @@
-
 module String_map = struct
   include Map.Make(String)
 
@@ -16,8 +15,8 @@ let diff_map_to_json (left, right, different_versions) =
     `List (List.map (fun (name, version1, version2) ->
       `Assoc [
         ("name", `String name);
-        ("version_in_left", `String version1);
-        ("version_in_right", `String version2)
+        ("version_left", `String version1);
+        ("version_right", `String version2)
       ]
     ) lst)
   in