diff --git a/part/arkviewer.cpp b/part/arkviewer.cpp
--- a/part/arkviewer.cpp
+++ b/part/arkviewer.cpp
@@ -43,6 +43,7 @@
 
     setupUi(this);
 
+    m_buttonBox->button(QDialogButtonBox::Close)->setShortcut(Qt::Key_Escape);
     // Bug 369390: This prevents the Enter key from closing the window.
     m_buttonBox->button(QDialogButtonBox::Close)->setAutoDefault(false);