diff --git a/_oasis b/_oasis
index ff9b3700..778c420a 100644
--- a/_oasis
+++ b/_oasis
@@ -172,7 +172,7 @@ Executable run_tests
   CompiledObject: native
   MainIs: run_tests.ml
   Build$: flag(tests)
-  BuildDepends: containers, oUnit
+  BuildDepends: containers, oUnit, qcheck
 
 Executable web_pwd
   Path: examples/cgi/
diff --git a/tests/test_vector.ml b/tests/test_vector.ml
index a72d02eb..878937a4 100644
--- a/tests/test_vector.ml
+++ b/tests/test_vector.ml
@@ -48,7 +48,7 @@ let suite =
 open QCheck
 module V = Vector
 
-let gen sub = Arbitrary.(lift V.from_list (list sub))
+let gen sub = Arbitrary.(lift V.of_list (list sub))
 let pp v = PP.(list string) (List.map string_of_int (V.to_list v))
 
 let check_append =
@@ -66,7 +66,7 @@ let check_sort =
   let gen = Arbitrary.(gen small_int) in
   let prop v =
     let v' = V.copy v in
-    V.sort v';
+    V.sort' Pervasives.compare v';
     let l = V.to_list v' in
     List.sort compare l = l
   in