diff --git a/containers/libreportal/frontend/components/apps/core/js/apps-manager.js b/containers/libreportal/frontend/components/apps/core/js/apps-manager.js
index 41727e4..32e4a62 100755
--- a/containers/libreportal/frontend/components/apps/core/js/apps-manager.js
+++ b/containers/libreportal/frontend/components/apps/core/js/apps-manager.js
@@ -369,9 +369,17 @@ class AppsManager {
       // Force config tab for install/manage buttons
       targetTab = 'config';
     } else {
-      // Preserve existing tab or default to config for direct navigation
-      const currentUrl = new URL(window.location.href);
-      targetTab = currentUrl.searchParams.get('tab') || 'config';
+      // Preserve the existing main tab, defaulting to config for direct
+      // navigation. The app is path-based now (/app/<name>/<tab>), so the tab
+      // lives in the PATH — the old searchParams.get('tab') read the dead ?tab=
+      // query, was always null, and snapped every non-config tab back to config
+      // (loadTabContent calls showAppDetail on every switch). Read it off the
+      // path, and only honour it when we're already on THIS app — a cross-app
+      // switch or cold nav starts at config.
+      const parts = window.appPartsFromPath
+        ? window.appPartsFromPath(window.location.pathname)
+        : { app: '', tab: 'config' };
+      targetTab = (parts.app === appName && parts.tab) ? parts.tab : 'config';
     }
 
     // Preserve the config sub-category (/app/<name>/config/<sub>) when the URL