diff --git a/src/common/QskSizePolicy.h b/src/common/QskSizePolicy.h
index 6ca85081..7f6826e6 100644
--- a/src/common/QskSizePolicy.h
+++ b/src/common/QskSizePolicy.h
@@ -63,8 +63,8 @@ class QSK_EXPORT QskSizePolicy
     void setPolicy( Qt::Orientation, Policy );
 
   private:
-    quint32 m_horizontalPolicy : 4;
-    quint32 m_verticalPolicy : 4;
+    unsigned char m_horizontalPolicy : 4;
+    unsigned char m_verticalPolicy : 4;
 };
 
 inline QskSizePolicy::QskSizePolicy()