diff --git a/src/core/MainWindow.cpp b/src/core/MainWindow.cpp
index 24fa46c3e..03757c5fd 100644
--- a/src/core/MainWindow.cpp
+++ b/src/core/MainWindow.cpp
@@ -529,6 +529,7 @@ void MainWindow::moveToSideBar(Core::DockWidget *dw, SideBarLocation location)
 
     if (Core::SideBar *sb = sideBar(location)) {
         ScopedValueRollback rollback(dw->d->m_isMovingToSideBar, true);
+        CloseReasonSetter reason(CloseReason::PinButton);
         dw->forceClose();
         sb->addDockWidget(dw);
     } else {
diff --git a/tests/qtwidgets/tst_qtwidgets.cpp b/tests/qtwidgets/tst_qtwidgets.cpp
index cdcf1ad07..8315afbc1 100644
--- a/tests/qtwidgets/tst_qtwidgets.cpp
+++ b/tests/qtwidgets/tst_qtwidgets.cpp
@@ -1233,6 +1233,11 @@ void TestQtWidgets::tst_sidebarCloseReason()
         expectedLastReason = CloseReason::TitleBarCloseButton;
         dw1->titleBar()->onCloseClicked();
         QCOMPARE(dw1->lastCloseReason(), expectedLastReason);
+
+        expectedLastReason = CloseReason::PinButton;
+        dw1->open();
+        m1->moveToSideBar(dw1);
+        QCOMPARE(dw1->lastCloseReason(), expectedLastReason);
     }
 }