diff --git a/Applications/DataExplorer/mainwindow.cpp b/Applications/DataExplorer/mainwindow.cpp
index d0d2104a73f08033863d6b2d7398c3bccc107755..000116abbd4896a27fa936d60b6fae7d671d6742 100644
--- a/Applications/DataExplorer/mainwindow.cpp
+++ b/Applications/DataExplorer/mainwindow.cpp
@@ -23,6 +23,9 @@
 #include <QObject>
 #include <QSettings>
 #include <QSignalMapper>
+#ifndef NDEBUG
+#include <QTime>
+#endif  // NDEBUG
 
 // VTK includes
 #include <vtkOBJExporter.h>