diff --git a/src/backends/lua/luasession.cpp b/src/backends/lua/luasession.cpp
index 3ecf6940..932373d4 100644
--- a/src/backends/lua/luasession.cpp
+++ b/src/backends/lua/luasession.cpp
@@ -1,215 +1,215 @@
 /*
     This program is free software; you can redistribute it and/or
     modify it under the terms of the GNU General Public License
     as published by the Free Software Foundation; either version 2
     of the License, or (at your option) any later version.
 
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
     along with this program; if not, write to the Free Software
     Foundation, Inc., 51 Franklin Street, Fifth Floor,
     Boston, MA  02110-1301, USA.
 
     ---
     Copyright (C) 2014 Lucas Hermann Negri <lucashnegri@gmail.com>
  */
 
 #include "luasession.h"
 #include "luaexpression.h"
 #include "luacompletionobject.h"
 #include "luahighlighter.h"
 #include "luahelper.h"
 #include <settings.h>
 #include "ui_settings.h"
 
 #include <QProcess>
 
 LuaSession::LuaSession( Cantor::Backend* backend) : Session(backend),
     m_L(nullptr),
     m_process(nullptr),
     m_currentExpression(nullptr)
 {
 }
 
 LuaSession::~LuaSession()
 {
     if (m_process)
     {
         m_process->kill();
         m_process->deleteLater();
         m_process = nullptr;
     }
 }
 
 void LuaSession::login()
 {
     emit loginStarted();
 
     /*
      * setup Qprocess here
      * load the autoscripts
     */
 
     m_process = new QProcess(this);
-    m_process->setProgram(QLatin1String("/usr/bin/lua"));
+    m_process->setProgram(LuaSettings::self()->path().toLocalFile());
     m_process->setArguments(QStringList() << QLatin1String("-i"));
 
     m_process->setProcessChannelMode(QProcess::SeparateChannels);
 
     connect(m_process, SIGNAL(readyReadStandardOutput()), this, SLOT(readIntroMessage()));
     connect(m_process, SIGNAL(started()), this, SLOT(processStarted()));
     m_process->start();
     m_process->waitForStarted();
     m_process->waitForReadyRead();
 
     // we need this for tab completion
     m_L = luaL_newstate();
     luaL_openlibs(m_L);
 
     changeStatus(Cantor::Session::Done);
     emit loginDone();
 }
 
 void LuaSession::readIntroMessage()
 {
     while(m_process->bytesAvailable()) {
         m_output.append(QString::fromLocal8Bit(m_process->readLine()));
     }
 
     if(!m_output.isEmpty() && m_output.trimmed().endsWith(QLatin1String(">"))) {
         qDebug() << " reading the intro message " << m_output ;
         m_output.clear();
 
         disconnect(m_process, SIGNAL(readyReadStandardOutput()), this , SLOT(readIntroMessage()));
         connect(m_process, SIGNAL(readyReadStandardOutput()), this, SLOT(readOutput()));
         connect(m_process, SIGNAL(readyReadStandardError()), this, SLOT(readError()));
     }
 }
 
 void LuaSession::readOutput()
 {
     /*
      * parse the output
      * clear all the garbage
      * set it as output
     */
     // keep reading till the output ends with '>'.
     // '>' marks the end of output for a particular command;
     while(m_process->bytesAvailable()) {
         m_output.append(QString::fromLocal8Bit(m_process->readLine()));
     }
 
     //merge outputs until lua's promt "> " appears, take care of the comment characters "-->"
     if(m_currentExpression && !m_output.isEmpty() && m_output.endsWith(QLatin1String("> "))
         && !m_output.endsWith(QLatin1String("-> ")))
     {
         // we have our complete output
         // clean the output and parse it and clear m_output;
         m_currentExpression->parseOutput(m_output);
         m_output.clear();
 
     }
 
 }
 
 void LuaSession::readError()
 {
     qDebug() << "readError";
     QString error = QString::fromLocal8Bit(m_process->readAllStandardError());
     if (!m_currentExpression || error.isEmpty())
     {
         return;
     }
     m_currentExpression->parseError(error);
 }
 
 void LuaSession::processStarted()
 {
     qDebug() << m_process->program() << " pid   " << m_process->processId() << "  started " << endl;
 }
 
 void LuaSession::logout()
 {
     if (!m_process)
         return;
 
     if(status() == Cantor::Session::Running)
         interrupt();
 
     m_process->kill();
     m_process->deleteLater();
     m_process = nullptr;
 
     Session::logout();
 }
 
 void LuaSession::interrupt()
 {
     if (status() == Cantor::Session::Running && m_currentExpression)
         m_currentExpression->interrupt();
     // Lua backend is synchronous, there is no way to currently interrupt an expression (in a clean way)
     changeStatus(Cantor::Session::Done);
 }
 
 Cantor::Expression* LuaSession::evaluateExpression(const QString& cmd, Cantor::Expression::FinishingBehavior behave, bool internal)
 {
     changeStatus(Cantor::Session::Running);
 
     m_currentExpression = new LuaExpression(this, internal);
     connect(m_currentExpression, SIGNAL(statusChanged(Cantor::Expression::Status)), this, SLOT(expressionFinished(Cantor::Expression::Status)));
     m_currentExpression->setFinishingBehavior(behave);
     m_currentExpression->setCommand(cmd);
     m_currentExpression->evaluate();
 
     return m_currentExpression;
 }
 
 void LuaSession::runExpression(LuaExpression *currentExpression)
 {
     /*
      * get the current command
      * format it and write to m_process
     */
     QString command = currentExpression->command();
 
     command += QLatin1String("\n");
 
     qDebug() << "final command to be executed " << command << endl;
 
     m_process->write(command.toLocal8Bit());
 }
 
 Cantor::CompletionObject* LuaSession::completionFor(const QString& command, int index)
 {
     return new LuaCompletionObject(command, index, this);
 }
 
 void LuaSession::expressionFinished(Cantor::Expression::Status status)
 {
     switch(status) {
 
         case Cantor::Expression::Computing:
             break;
 
         case Cantor::Expression::Done:
         case Cantor::Expression::Error:
         case Cantor::Expression::Interrupted:
             changeStatus(Cantor::Session::Done);
             break;
     }
 }
 
 QSyntaxHighlighter* LuaSession::syntaxHighlighter(QObject* parent)
 {
     LuaHighlighter* highlighter = new LuaHighlighter(parent);
     return highlighter;
 }
 
 lua_State* LuaSession::getState() const
 {
     return m_L;
 }