diff --git a/src/app/mainwindow.cpp b/src/app/mainwindow.cpp
index 606e1e886..5b9ddee3f 100644
--- a/src/app/mainwindow.cpp
+++ b/src/app/mainwindow.cpp
@@ -1645,7 +1645,7 @@ bool MainWindow::SavePattern(const QString &fileName)
         {
             setCurrentFile(fileName);
             helpLabel->setText(tr("File saved"));
-            qApp->getUndoStack()->setClean();
+            qApp->getUndoStack()->clear();
         }
     }
     return result;