diff --git a/src/core/CCVector.ml b/src/core/CCVector.ml
index b2588a376..720f3cd3e 100644
--- a/src/core/CCVector.ml
+++ b/src/core/CCVector.ml
@@ -820,7 +820,7 @@ let filter_map_in_place f v =
   filter_in_place (fun s -> String.length s <= 1) v;
   assert_equal 1 (length v);
   assert_equal "a" (get v 0);
-  Gc.major();
+  Gc.full_major();
   assert_equal None (Weak.get w 0);
 *)