diff --git a/common/pm3process.cpp b/common/pm3process.cpp
index f107060..5417e0f 100644
--- a/common/pm3process.cpp
+++ b/common/pm3process.cpp
@@ -108,9 +108,7 @@ void PM3Process::onTimeout() //when the proxmark3 client is unexpectedly termina
 //    qDebug()<<portInfo->isBusy();
     if(!portInfo->isBusy())
     {
-        kill();
-        emit PM3StatedChanged(false);
-        setSerialListener(false);
+        killPM3();
     }
 }
 
@@ -149,3 +147,10 @@ void PM3Process::setWorkingDir(const QString& dir)
     // the working directory cannot be the default, or the client will failed to load the dll
     this->setWorkingDirectory(dir);
 }
+
+void PM3Process::killPM3()
+{
+    kill();
+    emit PM3StatedChanged(false);
+    setSerialListener(false);
+}
diff --git a/common/pm3process.h b/common/pm3process.h
index 3749422..44c7b3e 100644
--- a/common/pm3process.h
+++ b/common/pm3process.h
@@ -30,6 +30,7 @@ public slots:
     void reconnectPM3();
     void setProcEnv(const QStringList* env);
     void setWorkingDir(const QString& dir);
+    void killPM3();
 private slots:
     void onTimeout();
     void onReadyRead();
diff --git a/ui/mainwindow.cpp b/ui/mainwindow.cpp
index bab1524..9e1a015 100644
--- a/ui/mainwindow.cpp
+++ b/ui/mainwindow.cpp
@@ -1039,7 +1039,7 @@ void MainWindow::signalInit()
     connect(this, &MainWindow::reconnectPM3, pm3, &PM3Process::reconnectPM3);
     connect(pm3, &PM3Process::PM3StatedChanged, this, &MainWindow::onPM3StateChanged);
     connect(pm3, &PM3Process::PM3StatedChanged, util, &Util::setRunningState);
-    connect(this, &MainWindow::killPM3, pm3, &PM3Process::kill);
+    connect(this, &MainWindow::killPM3, pm3, &PM3Process::killPM3);
     connect(this, &MainWindow::setProcEnv, pm3, &PM3Process::setProcEnv);
     connect(this, &MainWindow::setWorkingDir, pm3, &PM3Process::setWorkingDir);
     connect(this, QOverload<bool>::of(&MainWindow::setSerialListener), pm3, QOverload<bool>::of(&PM3Process::setSerialListener));