2 files changed, 11 insertions, 0 deletions
diff --git a/src/tab.c b/src/tab.c
index 3d8f159..9d17212 100644
--- a/src/tab.c
+++ b/src/tab.c
@@ -234,6 +234,11 @@ mq_tab_new(MqApplication *application, gchar *uri)
 	MqTab *tab;
 
 	tab = malloc(sizeof(*tab));
+	tab->parent = NULL;
+	tab->prev = NULL;
+	tab->next = NULL;
+	tab->first_child = tab->last_child = NULL;
+	tab->tree_size = 1;
 	tab->application = application;
 
 	mq_tab_populate_tab(tab);
diff --git a/src/tab.h b/src/tab.h
index 3166fb9..1036dbe 100644
--- a/src/tab.h
+++ b/src/tab.h
@@ -31,6 +31,12 @@ typedef struct MqTab MqTab;
 #include "tab-body.h"
 
 struct MqTab {
+	MqTab           *parent;
+	MqTab           *prev;
+	MqTab           *next;
+	MqTab           *first_child;
+	MqTab           *last_child;
+	guint            tree_size;
 	MqApplication   *application;
 	GtkWidget       *container;
 	MqTabChrome     *chrome;