diff --git a/webui/src/app/version.service.ts b/webui/src/app/version.service.ts
index 400dd41b..02858576 100644
--- a/webui/src/app/version.service.ts
+++ b/webui/src/app/version.service.ts
@@ -586,20 +586,23 @@ export class VersionService {
      * @private
      */
     private checkStorkServerUpdates(data: AppsVersions): void {
-        if (!this._storkServerVersion) {
+        if (!this.sanitizeSemver(this._storkServerVersion)) {
             return
         }
 
         const serverFeedback = this.getSoftwareVersionFeedback(this._storkServerVersion, 'stork', data)
         const updateType = serverFeedback.severity === Severity.error ? 'security update' : 'update'
-        serverFeedback.messages = [
-            !!serverFeedback.update
-                ? `Stork server ${updateType} is available (${serverFeedback.update}).`
-                : `Stork server is up-to-date.`,
-        ]
         this._serverUpdateNotification$.next({
             available: !!serverFeedback.update,
-            feedback: serverFeedback,
+            feedback: {
+                severity: serverFeedback.severity,
+                update: serverFeedback.update || '',
+                messages: [
+                    !!serverFeedback.update
+                        ? `Stork server ${updateType} is available (${serverFeedback.update}).`
+                        : `Stork server is up-to-date.`,
+                ],
+            },
         })
         this.detectAlertingSeverity(serverFeedback?.severity ?? Severity.success)
     }