diff --git a/scripts/daemon/lesavka-core.sh b/scripts/daemon/lesavka-core.sh
index b4c6372..e0207ec 100644
--- a/scripts/daemon/lesavka-core.sh
+++ b/scripts/daemon/lesavka-core.sh
@@ -6,6 +6,7 @@
 set -euo pipefail
 
 log() { printf '[lesavka-core] %s\n' "$*"; }
+cleanup() { echo "" >"$G/UDC" 2>/dev/null || true; }
 
 exec 2> >(tee -a /tmp/lesavka-core.debug.$(date +%s).log)
 set -x
@@ -167,7 +168,18 @@ echo "[lesavka-core] ★ directory tree just before links:"
 tree -L 3 "$F/control" | sed 's/^/[lesavka-core]  /'
 
 for s in fs hs ss; do
-    ln -snf ../header/h  "$F/control/class/$s"   # ← link itself, no ‘h’ inside
+    # ensure the per‑speed dir exists (created by kernel)
+    mkdir -p   "$F/control/class/$s"      # harmless if already there
+
+    # create the mandatory *symlink inside* that directory:
+    ln -snf ../../header/h  "$F/control/class/$s/h"
+done
+
+for s in fs hs ss; do
+    [ -L "$F/control/class/$s/h" ] || {
+        echo "[lesavka‑core] ❌ $s/h link missing, aborting" >&2
+        exit 1
+    }
 done
 
 echo "[lesavka-core] ★ directory tree just before bind:"