diff --git a/desktop/shape.h b/desktop/shape.h
new file mode 100644
index 000000000..c322602b9
--- /dev/null
+++ b/desktop/shape.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2011 Michael Drake <tlsa@netsurf-browser.org>
+ *
+ * This file is part of NetSurf, http://www.netsurf-browser.org/
+ *
+ * NetSurf is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * NetSurf is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file
+ * Core mouse state.
+ */
+
+#ifndef _NETSURF_DESKTOP_SHAPE_H_
+#define _NETSURF_DESKTOP_SHAPE_H_
+
+/* Rectangle coordinates */
+struct rect {
+	int x0, y0;
+	int x1, y1;
+};
+
+#endif
diff --git a/desktop/tree.c b/desktop/tree.c
index fc194b830..ddffef698 100644
--- a/desktop/tree.c
+++ b/desktop/tree.c
@@ -159,11 +159,6 @@ struct tree {
 					   callbacks */
 };
 
-struct rect {
-	int x0; int y0; /* Top left coordinate */
-	int x1; int y1; /* Bottom right coordinate */
-};
-
 void tree_set_icon_dir(char *icon_dir)
 {
 	LOG(("Tree icon directory set to %s", icon_dir));
diff --git a/render/box.h b/render/box.h
index 5889645b2..7cde3728f 100644
--- a/render/box.h
+++ b/render/box.h
@@ -92,6 +92,7 @@
 #include <libxml/HTMLparser.h>
 
 #include "desktop/browser.h"
+#include "desktop/shape.h"
 #include "css/css.h"
 
 struct box;
@@ -110,11 +111,6 @@ typedef enum {
 	BOX_INLINE_END, BOX_NONE
 } box_type;
 
-struct rect {
-	int x0, y0;
-	int x1, y1;
-};
-
 /* Sides of a box */
 enum box_side { TOP, RIGHT, BOTTOM, LEFT };