diff --git a/gui/checkthread.cpp b/gui/checkthread.cpp
old mode 100644
new mode 100755
index 1ee28f2ac..671e068ae
--- a/gui/checkthread.cpp
+++ b/gui/checkthread.cpp
@@ -296,6 +296,11 @@ void CheckThread::runAddonsAndTools(const QString &addonPath, const ImportProjec
             qDebug() << python << args;
 
             QProcess process;
+            QProcessEnvironment env = process.processEnvironment();
+            if (!env.contains("PYTHONHOME") && !mPythonPath.isEmpty()) {
+                env.insert("PYTHONHOME", QFileInfo(mPythonPath).canonicalPath());
+                process.setProcessEnvironment(env);
+            }
             process.start(python, args);
             process.waitForFinished();
             const QString errout(process.readAllStandardError());
diff --git a/gui/mainwindow.cpp b/gui/mainwindow.cpp
index c394d6258..5d7a5f127 100644
--- a/gui/mainwindow.cpp
+++ b/gui/mainwindow.cpp
@@ -49,7 +49,8 @@
 static const QString OnlineHelpURL("http://cppcheck.net/manual.html");
 static const QString compile_commands_json("compile_commands.json");
 
-static QString getDataDir(const QSettings *settings) {
+static QString getDataDir(const QSettings *settings)
+{
     const QString dataDir = settings->value("DATADIR", QString()).toString();
     const QString appPath = QFileInfo(QCoreApplication::applicationFilePath()).canonicalPath();
     return dataDir.isEmpty() ? appPath : dataDir;