diff --git a/src/core/qgsattributetableconfig.h b/src/core/qgsattributetableconfig.h
index 2af3c4dc626b..3897100bb2e6 100644
--- a/src/core/qgsattributetableconfig.h
+++ b/src/core/qgsattributetableconfig.h
@@ -21,14 +21,14 @@
 #include <QDomNode>
 #include <QVariant>
 
+class QgsFields;
+
 /** \ingroup core
  * This is a container for configuration of the attribute table.
  * The configuration is specific for one vector layer.
  * \note added in QGIS 2.16
  */
 
-class QgsFields;
-
 class CORE_EXPORT QgsAttributeTableConfig
 {
   public: