diff --git a/frontend/app/components/Session_/Subheader.js b/frontend/app/components/Session_/Subheader.js
index 664c364c7..54a8d718a 100644
--- a/frontend/app/components/Session_/Subheader.js
+++ b/frontend/app/components/Session_/Subheader.js
@@ -71,7 +71,7 @@ function SubHeader(props) {
         <WarnBadge
           siteId={projectId}
           currentLocation={currentLocation}
-          version={currentSession?.trackerVersion ?? '1.0.0'}
+          version={currentSession?.trackerVersion ?? undefined}
         />
 
         <SessionTabs />
diff --git a/frontend/app/components/Session_/WarnBadge.tsx b/frontend/app/components/Session_/WarnBadge.tsx
index 29e0c57e6..704ae619e 100644
--- a/frontend/app/components/Session_/WarnBadge.tsx
+++ b/frontend/app/components/Session_/WarnBadge.tsx
@@ -43,7 +43,7 @@ const WarnBadge = React.memo(
       currentLocation &&
       defaultLocalhostWarn &&
       /(localhost)|(127.0.0.1)|(0.0.0.0)/.test(currentLocation);
-    const trackerVersion = window.env.TRACKER_VERSION ?? '1.0.0';
+    const trackerVersion = window.env.TRACKER_VERSION ?? undefined;
     const trackerVerDiff = compareVersions(version, trackerVersion);
     const trackerWarnActive = trackerVerDiff !== VersionComparison.Same;