Index: src/tests/avltree/avl_test.c
===================================================================
--- src/tests/avltree/avl_test.c	(revision b6424d96bff612f23b49fac429887c0b6bc21a2f)
+++ src/tests/avltree/avl_test.c	(revision cb2b15c14b23a27bb4c6c5e1a4193c5902bbc583)
@@ -14,5 +14,5 @@
 
   // int -> int
-  tree(int, int) * imap = create(-1, 0);
+  tree(int, int) * imap = create(-1, (int)0);
   insert(&imap, 12, 13);
   insert(&imap, 2, 3);