diff --git a/src/frontends/qt/GuiViewSource.cpp b/src/frontends/qt/GuiViewSource.cpp
index b6a6cfc93a..58560f519e 100644
--- a/src/frontends/qt/GuiViewSource.cpp
+++ b/src/frontends/qt/GuiViewSource.cpp
@@ -41,6 +41,7 @@
 #include <QSettings>
 #include <QTextCursor>
 #include <QTextDocument>
+#include <QTimer>
 #include <QVariant>
 
 using namespace std;
diff --git a/src/frontends/qt/GuiViewSource.h b/src/frontends/qt/GuiViewSource.h
index 785c249006..1ea1303756 100644
--- a/src/frontends/qt/GuiViewSource.h
+++ b/src/frontends/qt/GuiViewSource.h
@@ -21,7 +21,6 @@
 
 #include <QDockWidget>
 #include <QString>
-#include <QTimer>
 
 
 class QTextDocument;