diff --git a/src/qgssisydialog.h b/src/qgssisydialog.h
index ab106431f28..f19b53724af 100644
--- a/src/qgssisydialog.h
+++ b/src/qgssisydialog.h
@@ -18,12 +18,18 @@
 
 #ifndef QGSSISYDIALOG_H
 #define QGSSISYDIALOG_H
+
+#include <iostream>
+#include <vector>
+
 #ifdef WIN32
 #include "qgssisydialogbase.h"
 #else
 #include "qgssisydialogbase.uic.h"
 #endif
 
+class QString;
+
 class QgsSymbol;
 class QgsVectorLayer;
 
@@ -67,6 +73,9 @@ private:
     /**Default constructor is privat to not use is*/
     QgsSiSyDialog();
 
+    /** vector of marker names for combo items */
+    std::vector<QString> mMarkers;
+
 signals:
     void settingsChanged();
 };