diff --git a/render/box.h b/render/box.h
index 5501f88c8..1f35adad9 100644
--- a/render/box.h
+++ b/render/box.h
@@ -334,7 +334,8 @@ struct box *box_pick_text_box(struct html_content *html,
 struct box *box_find_by_id(struct box *box, lwc_string *id);
 bool box_visible(struct box *box);
 void box_dump(FILE *stream, struct box *box, unsigned int depth, bool style);
-bool box_extract_link(const char *rel, struct nsurl *base, struct nsurl **result);
+bool box_extract_link(const struct html_content *content,
+		const char *rel, struct nsurl *base, struct nsurl **result);
 
 bool box_handle_scrollbars(struct content *c, struct box *box,
 		bool bottom, bool right);
diff --git a/render/box_construct.c b/render/box_construct.c
index 2ad5eb26c..ad39684a1 100644
--- a/render/box_construct.c
+++ b/render/box_construct.c
@@ -1476,7 +1476,7 @@ bool box_a(BOX_SPECIAL_PARAMS)
 
 	err = dom_element_get_attribute(n, corestring_dom_href, &s);
 	if (err == DOM_NO_ERR && s != NULL) {
-		ok = box_extract_link(dom_string_data(s),
+		ok = box_extract_link(content, dom_string_data(s),
 				content->base_url, &url);
 		dom_string_unref(s);
 		if (!ok)
@@ -1590,7 +1590,7 @@ bool box_image(BOX_SPECIAL_PARAMS)
 	if (err != DOM_NO_ERR || s == NULL)
 		return true;
 
-	if (box_extract_link(dom_string_data(s), content->base_url,
+	if (box_extract_link(content, dom_string_data(s), content->base_url,
 			&url) == false) {
 		dom_string_unref(s);
 		return false;
@@ -1691,7 +1691,7 @@ bool box_object(BOX_SPECIAL_PARAMS)
 	 * (codebase is the base for the other two) */
 	err = dom_element_get_attribute(n, corestring_dom_codebase, &codebase);
 	if (err == DOM_NO_ERR && codebase != NULL) {
-		if (box_extract_link(dom_string_data(codebase),
+		if (box_extract_link(content, dom_string_data(codebase),
 				content->base_url,
 				&params->codebase) == false) {
 			dom_string_unref(codebase);
@@ -1704,8 +1704,8 @@ bool box_object(BOX_SPECIAL_PARAMS)
 
 	err = dom_element_get_attribute(n, corestring_dom_classid, &classid);
 	if (err == DOM_NO_ERR && classid != NULL) {
-		if (box_extract_link(dom_string_data(classid), params->codebase,
-				&params->classid) == false) {
+		if (box_extract_link(content, dom_string_data(classid),
+				params->codebase, &params->classid) == false) {
 			dom_string_unref(classid);
 			return false;
 		}
@@ -1714,8 +1714,8 @@ bool box_object(BOX_SPECIAL_PARAMS)
 
 	err = dom_element_get_attribute(n, corestring_dom_data, &data);
 	if (err == DOM_NO_ERR && data != NULL) {
-		if (box_extract_link(dom_string_data(data), params->codebase,
-				&params->data) == false) {
+		if (box_extract_link(content, dom_string_data(data),
+				params->codebase, &params->data) == false) {
 			dom_string_unref(data);
 			return false;
 		}
@@ -2134,7 +2134,7 @@ bool box_create_frameset(struct content_html_frames *f, dom_node *n,
 			url = NULL;
 			err = dom_element_get_attribute(c, corestring_dom_src, &s);
 			if (err == DOM_NO_ERR && s != NULL) {
-				box_extract_link(dom_string_data(s),
+				box_extract_link(content, dom_string_data(s),
 						content->base_url, &url);
 				dom_string_unref(s);
 			}
@@ -2270,7 +2270,7 @@ bool box_iframe(BOX_SPECIAL_PARAMS)
 	err = dom_element_get_attribute(n, corestring_dom_src, &s);
 	if (err != DOM_NO_ERR || s == NULL)
 		return true;
-	if (box_extract_link(dom_string_data(s), content->base_url,
+	if (box_extract_link(content, dom_string_data(s), content->base_url,
 			&url) == false) {
 		dom_string_unref(s);
 		return false;
@@ -2843,7 +2843,7 @@ bool box_embed(BOX_SPECIAL_PARAMS)
 	err = dom_element_get_attribute(n, corestring_dom_src, &src);
 	if (err != DOM_NO_ERR || src == NULL)
 		return true;
-	if (box_extract_link(dom_string_data(src), content->base_url,
+	if (box_extract_link(content, dom_string_data(src), content->base_url,
 			&params->data) == false) {
 		dom_string_unref(src);
 		return false;
@@ -2996,7 +2996,8 @@ bool box_get_attribute(dom_node *n, const char *attribute,
  * \return  true on success, false on memory exhaustion
  */
 
-bool box_extract_link(const char *rel, nsurl *base, nsurl **result)
+bool box_extract_link(const html_content *content,
+		const char *rel, nsurl *base, nsurl **result)
 {
 	char *s, *s1, *apos0 = 0, *apos1 = 0, *quot0 = 0, *quot1 = 0;
 	unsigned int i, j, end;
diff --git a/render/imagemap.c b/render/imagemap.c
index 2e84bd0cf..b1cb8241c 100644
--- a/render/imagemap.c
+++ b/render/imagemap.c
@@ -274,6 +274,7 @@ void imagemap_dump(html_content *c)
 /**
  * Adds an imagemap entry to the list
  *
+ * \param c  The html content that the imagemap belongs to
  * \param n  The xmlNode representing the entry to add
  * \param base_url  Base URL for resolving relative URLs
  * \param entry  Pointer to list of entries
@@ -281,7 +282,7 @@ void imagemap_dump(html_content *c)
  * \return false on memory exhaustion, true otherwise
  */
 static bool
-imagemap_addtolist(dom_node *n, nsurl *base_url,
+imagemap_addtolist(const struct html_content *c, dom_node *n, nsurl *base_url,
 		   struct mapentry **entry, dom_string *tagtype)
 {
 	dom_exception exc;
@@ -346,7 +347,7 @@ imagemap_addtolist(dom_node *n, nsurl *base_url,
 	else
 		goto bad_out;
 
-	if (box_extract_link(dom_string_data(href),
+	if (box_extract_link(c, dom_string_data(href),
 			     base_url, &new_map->url) == false)
 		goto bad_out;
 
@@ -537,7 +538,7 @@ imagemap_extract_map_entries(dom_node *node, html_content *c,
 			dom_nodelist_unref(nlist);
 			return false;
 		}
-		if (imagemap_addtolist(subnode, c->base_url,
+		if (imagemap_addtolist(c, subnode, c->base_url,
 				       entry, tname) == false) {
 			dom_node_unref(subnode);
 			dom_nodelist_unref(nlist);