diff --git a/linux-managements/setup-snapper.sh b/linux-managements/setup-snapper.sh
index 61152ef..7380328 100644
--- a/linux-managements/setup-snapper.sh
+++ b/linux-managements/setup-snapper.sh
@@ -69,7 +69,8 @@ install_snapper() {
 # ─── List Btrfs Subvolumes ────────────────────────────────────────────────────
 list_btrfs_mounts() {
     # Returns sorted list of mount points that are btrfs
-    findmnt -t btrfs -n -o TARGET 2>/dev/null | sort
+    # -l disables tree output to avoid box-drawing characters in paths
+    findmnt -t btrfs -n -l -o TARGET 2>/dev/null | sort
 }
 
 # ─── Select Subvolumes Interactively ─────────────────────────────────────────
@@ -88,9 +89,9 @@ select_subvolumes() {
     echo ""
     for i in "${!mounts[@]}"; do
         local subvol device
-        subvol=$(findmnt -n -o OPTIONS "${mounts[$i]}" 2>/dev/null \
+        subvol=$(findmnt -n -l -o OPTIONS "${mounts[$i]}" 2>/dev/null \
             | tr ',' '\n' | grep '^subvol=' | head -1 | sed 's/subvol=//' || echo "(default)")
-        device=$(findmnt -n -o SOURCE "${mounts[$i]}" 2>/dev/null || echo "?")
+        device=$(findmnt -n -l -o SOURCE "${mounts[$i]}" 2>/dev/null || echo "?")
         printf "  %2d)  %-25s  subvol=%-20s  %s\n" \
             "$((i+1))" "${mounts[$i]}" "$subvol" "$device"
     done