diff --git a/src/lib_gui/qt/window/project_wizzard/QtProjectWizzardContentProjectData.cpp b/src/lib_gui/qt/window/project_wizzard/QtProjectWizzardContentProjectData.cpp
index 29ae5f31..0131dfcf 100644
--- a/src/lib_gui/qt/window/project_wizzard/QtProjectWizzardContentProjectData.cpp
+++ b/src/lib_gui/qt/window/project_wizzard/QtProjectWizzardContentProjectData.cpp
@@ -1,6 +1,7 @@
 #include "QtProjectWizzardContentProjectData.h"
 
 #include <QMessageBox>
+#include <QRegularExpression>
 #include <boost/filesystem/path.hpp>
 
 #include "ProjectSettings.h"
@@ -32,6 +33,7 @@ void QtProjectWizzardContentProjectData::populate(QGridLayout* layout, int& row)
 	m_projectName->setObjectName("name");
 	m_projectName->setAttribute(Qt::WA_MacShowFocusRect, 0);
 	m_projectName->setEnabled(!m_disableNameEditing);
+	connect(m_projectName, &QLineEdit::textEdited, this, &QtProjectWizzardContentProjectData::onProjectNameEdited);
 
 	layout->addWidget(nameLabel, row, QtProjectWizzardWindow::FRONT_COL, Qt::AlignRight);
 	layout->addWidget(m_projectName, row, QtProjectWizzardWindow::BACK_COL);
@@ -125,3 +127,14 @@ bool QtProjectWizzardContentProjectData::check()
 
 	return true;
 }
+
+void QtProjectWizzardContentProjectData::onProjectNameEdited(QString text)
+{
+	const int cursorPosition = m_projectName->cursorPosition();
+
+	QRegularExpression regex("[^A-Za-z0-9_.-]");
+	text.replace(regex, "_");
+
+	m_projectName->setText(text);
+	m_projectName->setCursorPosition(cursorPosition);
+}
diff --git a/src/lib_gui/qt/window/project_wizzard/QtProjectWizzardContentProjectData.h b/src/lib_gui/qt/window/project_wizzard/QtProjectWizzardContentProjectData.h
index 93fbad5c..5401931d 100644
--- a/src/lib_gui/qt/window/project_wizzard/QtProjectWizzardContentProjectData.h
+++ b/src/lib_gui/qt/window/project_wizzard/QtProjectWizzardContentProjectData.h
@@ -24,6 +24,9 @@ public:
 	virtual void save() override;
 	virtual bool check() override;
 
+public slots:
+	void onProjectNameEdited(QString text);
+
 private:
 	std::shared_ptr<ProjectSettings> m_projectSettings;