diff --git a/callbacks.c b/callbacks.c
index 8bd8ba1..5bda659 100644
--- a/callbacks.c
+++ b/callbacks.c
@@ -18,8 +18,13 @@
 #include "page_widget.h"
 
 gboolean
-cb_destroy(GtkWidget* UNUSED(widget), gpointer UNUSED(data))
+cb_destroy(GtkWidget* UNUSED(widget), zathura_t* zathura)
 {
+  if (zathura != NULL && zathura->document != NULL) {
+    zathura_document_free(zathura->document);
+    zathura->document = NULL;
+  }
+
   gtk_main_quit();
   return TRUE;
 }
diff --git a/callbacks.h b/callbacks.h
index 19630d1..f575bca 100644
--- a/callbacks.h
+++ b/callbacks.h
@@ -8,15 +8,16 @@
 #include <girara/macros.h>
 
 #include "document.h"
+#include "zathura.h"
 
 /**
  * Quits the current zathura session
  *
  * @param widget The gtk window of zathura
- * @param data NULL
+ * @param zathura Correspondending zathura session
  * @return true if no error occured and the event has been handled
  */
-gboolean cb_destroy(GtkWidget* widget, gpointer data);
+gboolean cb_destroy(GtkWidget* widget, zathura_t* zathura);
 
 /**
  * This function gets called when the buffer of girara changes
diff --git a/zathura.c b/zathura.c
index d0829b1..7812b18 100644
--- a/zathura.c
+++ b/zathura.c
@@ -225,7 +225,7 @@ zathura_init(int argc, char* argv[])
   girara_statusbar_item_set_text(zathura->ui.session, zathura->ui.statusbar.file, "[No Name]");
 
   /* signals */
-  g_signal_connect(G_OBJECT(zathura->ui.session->gtk.window), "destroy", G_CALLBACK(cb_destroy), NULL);
+  g_signal_connect(G_OBJECT(zathura->ui.session->gtk.window), "destroy", G_CALLBACK(cb_destroy), zathura);
 
   /* save page padding */
   zathura->global.page_padding = 1;