diff --git a/modules/gui/src/data_viewer/data_viewer.cc b/modules/gui/src/data_viewer/data_viewer.cc
index fec36c81a91ac158e2734b4e0c4f0f5c07e5d823..2c1966b4e7ccc73c973f3bafe67a67e310837416 100644
--- a/modules/gui/src/data_viewer/data_viewer.cc
+++ b/modules/gui/src/data_viewer/data_viewer.cc
@@ -33,9 +33,9 @@
 #include <ost/message.hh>
 //#include <ost/img/alg/fft.hh>   
 #include <ost/img/alg/norm.hh>   
+#include <ost/gui/gosty_app.hh>
 #include <ost/gui/dock_widget.hh>
 
-#include <ost/gui/gosty_app.hh>
 #include <ost/gui/perspective.hh>
 
 #include "data_viewer.hh"