diff --git a/src/components/Manifest/Details/__snapshots__/index.test.jsx.snap b/src/components/Manifest/Details/__snapshots__/index.test.jsx.snap
index 46e7909..98022d4 100644
--- a/src/components/Manifest/Details/__snapshots__/index.test.jsx.snap
+++ b/src/components/Manifest/Details/__snapshots__/index.test.jsx.snap
@@ -116,7 +116,7 @@ Object {
               ECUs: 
               <ul>
                 <li>
-                  ICC, SW Version: 1000, HW Version: undefined, Mode: undefined
+                  ICC, SW Version: 1000, HW Version: None, Mode: D
                   <br />
                   <ul>
                     <li>
@@ -161,7 +161,7 @@ Object {
             ECUs: 
             <ul>
               <li>
-                ICC, SW Version: 1000, HW Version: undefined, Mode: undefined
+                ICC, SW Version: 1000, HW Version: None, Mode: D
                 <br />
                 <ul>
                   <li>
diff --git a/src/components/Manifest/Details/index.jsx b/src/components/Manifest/Details/index.jsx
index 30ced87..80b08da 100644
--- a/src/components/Manifest/Details/index.jsx
+++ b/src/components/Manifest/Details/index.jsx
@@ -25,7 +25,11 @@ const ECUList = (ecus) => {
     <ul>
       {ecus.map((ecu) => (
         <li key={ecu.name}>
-          {`${ecu.name}, SW Version: ${ecu.version}, HW Version: ${ecu.hw_version}, Mode: ${ecu.mode}`}
+          {`${ecu.name}, SW Version: ${ecu.version ?? "None"}, HW Version: ${
+            ecu.hw_version ?? "None"
+          }, Mode: ${ecu.mode ?? "D"}${
+            ecu.self_download ? ", Self Download" : ""
+          }`}
           <br />
           {ECUFileList(ecu.files)}
         </li>