diff --git a/PKGBUILD b/PKGBUILD
index 42f8a6e..fa2b93e 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -2,7 +2,7 @@
 # Для разработки: nimble build && sudo cp nbt nimbt-daemon /usr/bin/
 pkgname=nimbt
 pkgver=0.1.0
-pkgrel=2
+pkgrel=3
 pkgdesc="Lightweight Bluetooth manager for Linux (daemon + CLI)"
 arch=('x86_64' 'aarch64')
 url="https://git.n1kt.ru/Niko/nim-bt"
@@ -14,10 +14,24 @@ sha256sums=('SKIP')
 
 _repodir=nim-bt
 
-build() {
+prepare() {
   cd "$srcdir/$_repodir"
   nimble install -y --depsOnly --nimbleDir:"$srcdir/nimble" 2>/dev/null || true
   export NIMBLE_DIR="$srcdir/nimble"
+  # patch nim-dbus: add dtBool to getPrimitive, nil-safe $ for DbusType
+  local dbus_val="$NIMBLE_DIR/pkgs2"/dbus-*/dbus/private/value.nim
+  local dbus_typ="$NIMBLE_DIR/pkgs2"/dbus-*/dbus/private/types.nim
+  if ! grep -q 'of dtBool:' "$dbus_val" 2>/dev/null; then
+    sed -i '/^  of dtDouble:/i\  of dtBool:\n    return addr val.boolValue' "$dbus_val"
+  fi
+  if ! grep -q 'isNil' "$dbus_typ" 2>/dev/null; then
+    sed -i '/^proc `\$`\*(t: DbusType): string =/a\  if t.isNil:\n    return "\<nil\>"' "$dbus_typ"
+  fi
+}
+
+build() {
+  cd "$srcdir/$_repodir"
+  export NIMBLE_DIR="$srcdir/nimble"
   nim c \
     --path:"$NIMBLE_DIR/pkgs2" \
     --mm:orc -d:release --opt:speed --hints:off \