--- a/qt4/style/qtcurve_plugin.cpp	2016-10-25 10:12:41.000000000 +0200
+++ b/qt4/style/qtcurve_plugin.cpp	2016-10-25 10:21:32.446853060 +0200
@@ -22,6 +22,7 @@
 
 #include "qtcurve_plugin.h"
 #include "qtcurve.h"
+#include "utils.h"
 #include "config.h"
 
 #include <qtcurve-utils/qtprops.h>