diff --git a/src/app/tape/tmainwindow.cpp b/src/app/tape/tmainwindow.cpp
index 92b7acd2d..3b5d946ad 100644
--- a/src/app/tape/tmainwindow.cpp
+++ b/src/app/tape/tmainwindow.cpp
@@ -33,6 +33,7 @@
 #include "dialogs/dialognewmeasurements.h"
 #include "../vpatterndb/calculator.h"
 #include "../ifc/ifcdef.h"
+#include "../qmuparser/qmudef.h"
 
 #include <QFileDialog>
 #include <QFileInfo>
@@ -870,6 +871,8 @@ void TMainWindow::InitWindow()
     ui->actionReadOnly->setEnabled(true);
     ui->actionSaveAs->setEnabled(true);
 
+    ui->lineEditName->setValidator( new QRegularExpressionValidator(QRegularExpression(NameRegExp())) );
+
     connect(ui->toolButtonRemove, &QToolButton::clicked, this, &TMainWindow::Remove);
     connect(ui->toolButtonUp, &QToolButton::clicked, this, &TMainWindow::MoveUp);
     connect(ui->toolButtonDown, &QToolButton::clicked, this, &TMainWindow::MoveDown);