diff --git a/scripts/navka-core.sh b/scripts/navka-core.sh
index 23db031..0e4126b 100644
--- a/scripts/navka-core.sh
+++ b/scripts/navka-core.sh
@@ -7,7 +7,7 @@ mountpoint -q /sys/kernel/config || mount -t configfs configfs /sys/kernel/confi
 G=/sys/kernel/config/usb_gadget/navka
 
 if [[ -d $G ]]; then
-  echo "" >"$G/UDC" || true
+  echo "" >"$G/UDC" 2>/dev/null || true
   find "$G/configs" -type l -delete || true
   rmdir "$G/functions/"* 2>/dev/null || true
   rmdir "$G"            2>/dev/null || true