diff --git a/python/gui/qgsabstractdatasourcewidget.sip b/python/gui/qgsabstractdatasourcewidget.sip
index d5950453f54..f650c78265f 100644
--- a/python/gui/qgsabstractdatasourcewidget.sip
+++ b/python/gui/qgsabstractdatasourcewidget.sip
@@ -82,11 +82,11 @@ Emitted when a raster layer has been selected for addition
 Emitted when a vector layer has been selected for addition
 %End
 
-    void addVectorLayers( const QStringList &layerQStringList, const QString &enc, const QString &dataSourceType );
+    void addVectorLayers( const QStringList &layerList, const QString &encoding, const QString &dataSourceType );
 %Docstring
  Emitted when one or more OGR supported layers are selected for addition
- \param layerQStringList list of layers protocol URIs
- \param enc encoding
+ \param layerList list of layers protocol URIs
+ \param encoding encoding
  \param dataSourceType string (can be "file" or "database")
 %End