diff --git a/Source/Processors/Visualization/DataWindow.cpp b/Source/Processors/Visualization/DataWindow.cpp
index 3085fdb357f5c51fc4b11de9eedf38c8f93e38ce..5b818d344029e2168526ca3cab63aaa2ca077d96 100755
--- a/Source/Processors/Visualization/DataWindow.cpp
+++ b/Source/Processors/Visualization/DataWindow.cpp
@@ -44,6 +44,7 @@ DataWindow::~DataWindow()
 
 void DataWindow::closeButtonPressed()
 {
+	setContentNonOwned(0,false);
     setVisible(false);
     controlButton->setToggleState(false,false);
 }
\ No newline at end of file