diff --git a/src/gtk/dataview.cpp b/src/gtk/dataview.cpp
index e8786529c5..9413b34f73 100644
--- a/src/gtk/dataview.cpp
+++ b/src/gtk/dataview.cpp
@@ -608,6 +608,7 @@ gtk_wx_tree_model_get_type (void)
             sizeof (GtkWxTreeModel),
             0,
             wxgtk_tree_model_init,
+            NULL
         };
 
         static const GInterfaceInfo tree_model_iface_info =
@@ -1114,6 +1115,7 @@ gtk_wx_cell_renderer_text_get_type (void)
             sizeof (GtkWxCellRendererText),
             0,          /* n_preallocs */
             gtk_wx_cell_renderer_text_init,
+            NULL
         };
 
         cell_wx_type = g_type_register_static( GTK_TYPE_CELL_RENDERER_TEXT,
@@ -1264,6 +1266,7 @@ gtk_wx_cell_renderer_get_type (void)
             sizeof (GtkWxCellRenderer),
             0,          /* n_preallocs */
             gtk_wx_cell_renderer_init,
+            NULL
         };
 
         cell_wx_type = g_type_register_static( GTK_TYPE_CELL_RENDERER,