diff --git a/cockatrice/src/dialogs/dlg_select_set_for_cards.h b/cockatrice/src/dialogs/dlg_select_set_for_cards.h
index 1a801e730..32af90d06 100644
--- a/cockatrice/src/dialogs/dlg_select_set_for_cards.h
+++ b/cockatrice/src/dialogs/dlg_select_set_for_cards.h
@@ -77,7 +77,11 @@ public:
 
 public slots:
     void mousePressEvent(QMouseEvent *event) override;
+#if (QT_VERSION >= QT_VERSION_CHECK(6, 0, 0))
     void enterEvent(QEnterEvent *event) override;
+#else
+    void enterEvent(QEvent *event) override;
+#endif
     void leaveEvent(QEvent *event) override;
     void dragMoveEvent(QDragMoveEvent *event) override;