diff --git a/src/app/valentina/mainwindow.cpp b/src/app/valentina/mainwindow.cpp
index 9b0040982..234b4e24a 100644
--- a/src/app/valentina/mainwindow.cpp
+++ b/src/app/valentina/mainwindow.cpp
@@ -3284,6 +3284,31 @@ bool MainWindow::LoadPattern(const QString &fileName, const QString& customMeasu
         return false;
     }
 
+    try
+    {
+        // Here comes undocumented Valentina's feature.
+        // Because app bundle in Mac OS X doesn't allow setup assosiation for Tape we must do this through Valentina
+        VMeasurements m(pattern);
+        m.setXMLContent(fileName);
+
+        if (m.Type() == MeasurementsType::Standard || m.Type() == MeasurementsType::Individual)
+        {
+            const QString tape = qApp->TapeFilePath();
+            const QString workingDirectory = QFileInfo(tape).absoluteDir().absolutePath();
+            QProcess::startDetached(tape, QStringList(fileName), workingDirectory);
+            qApp->exit(V_EX_OK);
+            return false; // stop continue processing
+        }
+    }
+    catch (VException &e)
+    {
+        qCCritical(vMainWindow, "%s\n\n%s\n\n%s", qUtf8Printable(tr("File error.")),
+                   qUtf8Printable(e.ErrorMessage()), qUtf8Printable(e.DetailedInformation()));
+        Clear();
+        qApp->exit(V_EX_NOINPUT);
+        return false;
+    }
+
     qCDebug(vMainWindow, "Loking file");
     VlpCreateLock(lock, fileName);
 
@@ -3867,7 +3892,7 @@ void MainWindow::ProcessCMD()
             return; // process only one input file
         }
 
-        if (cmd->IsTestModeEnabled() || cmd->IsExportEnabled())
+        if (loaded && (cmd->IsTestModeEnabled() || cmd->IsExportEnabled()))
         {
             if (cmd->IsSetGradationSize())
             {