diff --git a/src/UI/AboutWindow.cc b/src/UI/AboutWindow.cc
index 1e489915be28ac156376731b0629fcbc12e2e40a..9027ca32d770580a7aff606553f3b83d233e2b38 100644
--- a/src/UI/AboutWindow.cc
+++ b/src/UI/AboutWindow.cc
@@ -89,7 +89,7 @@ public:
 
 // Construct the AboutWindow
 AboutWindow::AboutWindow(QWidget *parent) noexcept
-    : QMainWindow(parent)
+    : QMainWindow(parent, Qt::Dialog)
     , panels(new QTabWidget)
 {
     setWindowIcon(QIcon(VIVY_ICON_APP));