diff --git a/kstars/indi/guimanager.cpp b/kstars/indi/guimanager.cpp
--- a/kstars/indi/guimanager.cpp
+++ b/kstars/indi/guimanager.cpp
@@ -19,6 +19,7 @@
 #include <KActionCollection>
 #include <KMessageBox>
 
+#include <QApplication>
 #include <QSplitter>
 #include <QTextEdit>
 #include <QPushButton>