diff --git a/src/PythonConfig.cpp b/src/PythonConfig.cpp
index 600ad66..8ed3051 100644
--- a/src/PythonConfig.cpp
+++ b/src/PythonConfig.cpp
@@ -141,7 +141,7 @@ const wchar_t *PythonConfigPaths::pythonPath() const
 
 //================================================================================
 
-static QString PathToPythonExecutableInEnv(PythonConfig::Type envType, const QString &envRoot)
+static QString PathToPythonExecutableInEnv(const PythonConfig::Type envType, const QString &envRoot)
 {
 #if defined(Q_OS_WINDOWS)
     switch (envType)
@@ -280,7 +280,7 @@ void PythonConfig::initVenv(const QString &venvPrefix)
 
     m_type = Type::Venv;
     m_pythonHome = venvPrefix;
-    m_pythonPath = QString("%1/Lib/site-packages;%3/DLLS;%3/lib").arg(venvPrefix, cfg.home);
+    m_pythonPath = QString("%1/Lib/site-packages;%2/DLLS;%2/Lib").arg(venvPrefix, cfg.home);
     if (cfg.includeSystemSitesPackages)
     {
         m_pythonPath.append(QString("%1/Lib/site-packages").arg(cfg.home));
@@ -291,6 +291,10 @@ void PythonConfig::initVenv(const QString &venvPrefix)
 #endif
 }
 
+QString PythonConfig::pythonExecutable() const {
+    return PathToPythonExecutableInEnv(type(), m_pythonHome);
+}
+
 void PythonConfig::preparePythonProcess(QProcess &pythonProcess) const
 {
     const QString pythonExePath = PathToPythonExecutableInEnv(type(), m_pythonHome);
diff --git a/src/PythonConfig.h b/src/PythonConfig.h
index a75d154..65510fa 100644
--- a/src/PythonConfig.h
+++ b/src/PythonConfig.h
@@ -119,6 +119,13 @@ class PythonConfig final
         return m_pythonHome;
     }
 
+    const QString &pythonPath() const
+    {
+        return m_pythonPath;
+    }
+
+    QString pythonExecutable() const;
+
     /// Sets the necessary settings of the QProcess so that
     /// it uses the correct Python exe.
     void preparePythonProcess(QProcess &pythonProcess) const;
diff --git a/src/PythonInterpreter.cpp b/src/PythonInterpreter.cpp
index d085782..f242afa 100644
--- a/src/PythonInterpreter.cpp
+++ b/src/PythonInterpreter.cpp
@@ -29,13 +29,14 @@
 #include <QTextCodec>
 
 #include <ccLog.h>
+#include <QProcess>
 
 #ifdef Q_OS_LINUX
 #include <cstdio>
 #include <dlfcn.h>
 #endif
 
-// seems like gcc defines macro with these names
+// it seems like gcc defines macro with these names
 #undef major
 #undef minor
 
@@ -211,8 +212,7 @@ void PythonInterpreter::initialize(const PythonConfig &config)
         }
     }
 #endif
-    if (config.type() != PythonConfig::Type::System)
-    {
+    if (config.type() != PythonConfig::Type::System) {
         // We use PEP 0587 to init the interpreter.
         // The changes introduced in this PEP allows to handle the error
         // when the interpreter could not be initialized.
@@ -226,12 +226,17 @@ void PythonInterpreter::initialize(const PythonConfig &config)
         PyStatus status;
 
         PyConfig pyConfig;
+        // I think, in theory, we should use PyConfig_InitIsolatedConfig
+        // byt non-isolated config is easier to setup
         PyConfig_InitPythonConfig(&pyConfig);
-        pyConfig.isolated = 1;
 
-        status = PyConfig_SetString(&pyConfig, &pyConfig.home, m_config.pythonHome());
-        if (PyStatus_Exception(status))
-        {
+        const QString qPythonExecutable = config.pythonExecutable();
+        const wchar_t* pythonExecutable = QStringToWcharArray(qPythonExecutable);
+        status = PyConfig_SetString(&pyConfig, &pyConfig.executable,
+                                    pythonExecutable);
+        delete[] pythonExecutable;
+
+        if (PyStatus_Exception(status)) {
             PyConfig_Clear(&pyConfig);
             throw std::runtime_error(status.err_msg);
         }
@@ -243,13 +248,19 @@ void PythonInterpreter::initialize(const PythonConfig &config)
             throw std::runtime_error(status.err_msg);
         }
 
-        status = PyConfig_Read(&pyConfig);
+        status = PyConfig_SetString(&pyConfig, &pyConfig.home, m_config.pythonHome());
         if (PyStatus_Exception(status))
         {
             PyConfig_Clear(&pyConfig);
             throw std::runtime_error(status.err_msg);
         }
 
+        status = PyConfig_Read(&pyConfig);
+        if (PyStatus_Exception(status)) {
+            PyConfig_Clear(&pyConfig);
+            throw std::runtime_error(status.err_msg);
+        }
+
         status = Py_InitializeFromConfig(&pyConfig);
         if (PyStatus_Exception(status))
         {