diff --git a/example/ex-algo02.c b/example/ex-algo02.c
index 5f0f5f9d..743f7841 100644
--- a/example/ex-algo02.c
+++ b/example/ex-algo02.c
@@ -10,7 +10,7 @@ ARRAY_DEF(vector_int, int)
 ALGO_DEF(vector_int, vector_int_t)
 
 /* Define a dynamic array of bool */ 
-ARRAY_DEF(vector_bool, bool, M_BOOL_OPLIST)
+ARRAY_DEF(vector_bool, bool)
 /* Register the oplist of this dynamic array globally */
 #define M_OPL_vector_bool_t() ARRAY_OPLIST(vector_bool, M_BOOL_OPLIST)
 /* Define some standards algorithms on this dynamic array */