diff --git a/list.c b/list.c
index e3886a27..a123d0c2 100644
--- a/list.c
+++ b/list.c
@@ -24,7 +24,7 @@ coap_insert(coap_list_t **queue, coap_list_t *node,
 
   /* replace queue head if new node has to be added before the existing queue head */
   q = *queue;
-  if ( order( node->data, q->data ) ) {
+  if ( order( node->data, q->data ) < 0) {
     node->next = q;
     *queue = node;
     return 1;
@@ -34,7 +34,7 @@ coap_insert(coap_list_t **queue, coap_list_t *node,
   do {
     p = q;
     q = q->next;
-  } while ( q && ! order( node->data, q->data ) );
+  } while ( q && order( node->data, q->data ) >= 0);
   
   /* insert new item */
   node->next = q;
diff --git a/list.h b/list.h
index fa9f07d2..05fb60ca 100644
--- a/list.h
+++ b/list.h
@@ -15,7 +15,7 @@ typedef struct coap_linkedlistnode coap_list_t;
 
 /* adds node to given queue, ordered by specified order function */
 int coap_insert(coap_list_t **queue, coap_list_t *node, 
-		int (*order)(void *, void *node) );
+		int (*order)(void *, void *) );
 
 /* destroys specified node */
 int coap_delete(coap_list_t *node);
@@ -23,4 +23,11 @@ int coap_delete(coap_list_t *node);
 /* removes all items from given queue and frees the allocated storage */
 void coap_delete_list(coap_list_t *queue);
 
+/**
+ * Creates a new list node and adds the given data object. The memory allocated
+ * by data will be released by coap_delete() with the new node. Returns the
+ * new list node.
+ */
+coap_list_t *coap_new_listnode(void *data);
+
 #endif /* _COAP_LIST_H_ */