diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4692f28f..0ccae139 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.25.0 FATAL_ERROR)
 
 set(PROJECT AmneziaVPN)
 
-project(${PROJECT} VERSION 4.8.4.3
+project(${PROJECT} VERSION 4.8.4.4
         DESCRIPTION "AmneziaVPN"
         HOMEPAGE_URL "https://amnezia.org/"
 )
@@ -11,7 +11,7 @@ string(TIMESTAMP CURRENT_DATE "%Y-%m-%d")
 set(RELEASE_DATE "${CURRENT_DATE}")
 
 set(APP_MAJOR_VERSION ${CMAKE_PROJECT_VERSION_MAJOR}.${CMAKE_PROJECT_VERSION_MINOR}.${CMAKE_PROJECT_VERSION_PATCH})
-set(APP_ANDROID_VERSION_CODE 2080)
+set(APP_ANDROID_VERSION_CODE 2081)
 
 if(${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
     set(MZ_PLATFORM_NAME "linux")
diff --git a/client/core/controllers/serverController.cpp b/client/core/controllers/serverController.cpp
index 05283195..1788297c 100644
--- a/client/core/controllers/serverController.cpp
+++ b/client/core/controllers/serverController.cpp
@@ -709,7 +709,7 @@ ErrorCode ServerController::isServerPortBusy(const ServerCredentials &credential
     QString transportProto = containerConfig.value(config_key::transport_proto).toString(defaultTransportProto);
 
     // TODO reimplement with netstat
-    QString script = QString("which lsof &>/dev/null || true && sudo lsof -i -P -n 2>/dev/null | grep -E ':%1 ").arg(port);
+    QString script = QString("which lsof > /dev/null 2>&1 || true && sudo lsof -i -P -n 2>/dev/null | grep -E ':%1 ").arg(port);
     for (auto &port : fixedPorts) {
         script = script.append("|:%1").arg(port);
     }