diff --git a/src/plugins/projectexplorer/kitinformationconfigwidget.cpp b/src/plugins/projectexplorer/kitinformationconfigwidget.cpp
index d3a43ba0967d43a381e96c5b96a1f06890d66c49..7c5ac9bcad1197e9ddcb99810ac4d72d3b0bde5f 100644
--- a/src/plugins/projectexplorer/kitinformationconfigwidget.cpp
+++ b/src/plugins/projectexplorer/kitinformationconfigwidget.cpp
@@ -89,7 +89,7 @@ void SysRootInformationConfigWidget::refresh()
 
 void SysRootInformationConfigWidget::makeReadOnly()
 {
-    m_chooser->setReadOnly(true);
+    m_chooser->setEnabled(false);
 }
 
 QWidget *SysRootInformationConfigWidget::mainWidget() const