diff --git a/configs/backup/locations/1/location.config b/configs/backup/locations/1/location.config
index 7b51b6e..308ef4e 100644
--- a/configs/backup/locations/1/location.config
+++ b/configs/backup/locations/1/location.config
@@ -2,7 +2,7 @@
 # Edit via the Locations page on /backup, or directly here.
 CFG_BACKUP_LOC_1_NAME="Local disk"                              # Location Name - Friendly label shown in the UI
 CFG_BACKUP_LOC_1_ENABLED=true                                   # Enabled - Snapshot to this location
-CFG_BACKUP_LOC_1_ENGINE=restic                                  # Engine - Backup engine used at this location [restic:Restic|borg:BorgBackup|kopia:Kopia]
+CFG_BACKUP_LOC_1_ENGINE=restic                                  # Engine - Backup engine used at this location [restic:Restic|borg:BorgBackup|kopia:Kopia] **ADVANCED**
 CFG_BACKUP_LOC_1_PASSWORD=RANDOMIZEDPASSWORD1                   # Repository Password - Used to encrypt/decrypt snapshots — back up offline!
 CFG_BACKUP_LOC_1_TYPE=local                                     # Type - Backend [local:Local / mounted path|sftp:SFTP|rest:REST|s3:S3|b2:Backblaze B2|gs:Google Cloud Storage|azure:Azure|rclone:rclone]
 CFG_BACKUP_LOC_1_PATH_MODE=auto                                 # Path Mode - Where this location stores its data [auto:Automatic (/docker/backups/<id>)|custom:Custom path]
diff --git a/containers/libreportal/frontend/js/components/backup/backup-page.js b/containers/libreportal/frontend/js/components/backup/backup-page.js
index 4b66dee..affb874 100644
--- a/containers/libreportal/frontend/js/components/backup/backup-page.js
+++ b/containers/libreportal/frontend/js/components/backup/backup-page.js
@@ -64,8 +64,9 @@ const BACKUP_LOC_FIELDS_BY_TYPE = {
 
 // Suffixes that live in the editor's "Advanced" tab. configs.json can flag
 // more via a **ADVANCED** comment marker; this set keeps the known overrides
-// advanced even on legacy location.configs that predate the marker.
-const LOC_ADVANCED_SUFFIXES = new Set(['URI', 'SSH_PORT', 'APPEND_ONLY']);
+// advanced even on legacy location.configs that predate the marker. Engine is
+// here too — the system picks a sensible default, so most users never touch it.
+const LOC_ADVANCED_SUFFIXES = new Set(['ENGINE', 'URI', 'SSH_PORT', 'APPEND_ONLY']);
 
 function backupRetentionDetectPreset(values, includeInherit = false) {
     const norm = (v) => (v == null ? '' : String(v).trim());
@@ -769,9 +770,6 @@ class BackupPage {
         if (conn) {
             conn.innerHTML = this.renderLocFields(idx, groups.connection, { ...loc, type });
             this.tagFieldsForSave(conn);
-            this.filterEngineSelect(conn, type, loc.engine);
-            this.applySshAuthVisibility(conn);
-            this.applyPathModeVisibility(conn);
         }
 
         // The Advanced tab's fields are type-dependent too (URI override only
@@ -783,6 +781,16 @@ class BackupPage {
                 : `<div class="backup-empty-state">No advanced options for this location type.</div>`;
             this.tagFieldsForSave(adv);
         }
+
+        // Re-apply dynamic behaviors across the whole details scope: the engine
+        // select lives in the Advanced tab while SSH-auth / path-mode live in
+        // Connection, so target the shared parent rather than one panel.
+        const scope = (conn || adv)?.closest('.task-details');
+        if (scope) {
+            this.filterEngineSelect(scope, type, loc.engine);
+            this.applySshAuthVisibility(scope);
+            this.applyPathModeVisibility(scope);
+        }
         this.enhanceEngineDetailsButton();
     }
 
diff --git a/scripts/backup/locations/location_add.sh b/scripts/backup/locations/location_add.sh
index 5f97048..f5506c9 100644
--- a/scripts/backup/locations/location_add.sh
+++ b/scripts/backup/locations/location_add.sh
@@ -32,7 +32,7 @@ locationAdd()
         echo "# Edit via the Locations page on /backup, or directly here."
         echo "CFG_BACKUP_LOC_${idx}_NAME=\"${name}\"                              # Location Name - Friendly label shown in the UI"
         echo "CFG_BACKUP_LOC_${idx}_ENABLED=false                                # Enabled - Snapshot to this location"
-        echo "CFG_BACKUP_LOC_${idx}_ENGINE=${default_engine}                     # Engine - Backup engine used at this location [restic:Restic|borg:BorgBackup|kopia:Kopia]"
+        echo "CFG_BACKUP_LOC_${idx}_ENGINE=${default_engine}                     # Engine - Backup engine used at this location [restic:Restic|borg:BorgBackup|kopia:Kopia] **ADVANCED**"
         echo "CFG_BACKUP_LOC_${idx}_PASSWORD=RANDOMIZEDPASSWORD1                 # Repository Password - Used to encrypt/decrypt snapshots — back up offline!"
         echo "CFG_BACKUP_LOC_${idx}_TYPE=${type}                                 # Type - Backend [local:Local / mounted path|sftp:SFTP|rest:REST|s3:S3|b2:Backblaze B2|gs:Google Cloud Storage|azure:Azure|rclone:rclone]"
         echo "CFG_BACKUP_LOC_${idx}_PATH_MODE=${default_path_mode}               # Path Mode - Where this location stores its data [auto:Automatic (/docker/backups/<id>)|custom:Custom path]"