1 files changed, 9 insertions, 1 deletions
diff --git a/libcaja-private/caja-keep-last-vertical-box.h b/libcaja-private/caja-keep-last-vertical-box.h
index d7955786..7492240a 100644
--- a/libcaja-private/caja-keep-last-vertical-box.h
+++ b/libcaja-private/caja-keep-last-vertical-box.h
@@ -45,12 +45,20 @@ typedef struct CajaKeepLastVerticalBoxClass CajaKeepLastVerticalBoxClass;
 
 struct CajaKeepLastVerticalBox
 {
-    GtkVBox vbox;
+#if GTK_CHECK_VERSION (3, 0, 0)
+    GtkBox parent;
+#else
+    GtkVBox parent;
+#endif
 };
 
 struct CajaKeepLastVerticalBoxClass
 {
+#if GTK_CHECK_VERSION (3, 0, 0)
+    GtkBoxClass parent_class;
+#else
     GtkVBoxClass parent_class;
+#endif
 };
 
 GType      caja_keep_last_vertical_box_get_type  (void);