diff --git a/src/plugins/qt4projectmanager/qmakestep.ui b/src/plugins/qt4projectmanager/qmakestep.ui
index 942f8cb2239..f8d5b9b62b6 100644
--- a/src/plugins/qt4projectmanager/qmakestep.ui
+++ b/src/plugins/qt4projectmanager/qmakestep.ui
@@ -61,7 +61,7 @@
    <item row="2" column="1">
     <widget class="QPlainTextEdit" name="qmakeArgumentsEdit">
      <property name="enabled">
-      <bool>false</bool>
+      <bool>true</bool>
      </property>
      <property name="maximumSize">
       <size>