diff --git a/modules/gui/qt4/ui/open.ui b/modules/gui/qt4/ui/open.ui
index 6dd5bb67d24bfc9401437ccab7836481b8192301..b3c6775e05596705ac4313efb7d912d1d1b18fe1 100644
--- a/modules/gui/qt4/ui/open.ui
+++ b/modules/gui/qt4/ui/open.ui
@@ -176,6 +176,9 @@
        <property name="text" >
         <string>Play</string>
        </property>
+       <property name="default" >
+        <bool>true</bool>
+       </property>
       </widget>
      </item>
     </layout>