diff --git a/Changes.md b/Changes.md
index 186ca01..efcb6f7 100644
--- a/Changes.md
+++ b/Changes.md
@@ -2,6 +2,7 @@ CFStream Release Notes
 
 cfstream-1.1.2 2014-06-16
 -------------------------
+* bugfix on `drop` and `skip`
 * Reduced deps to core_kernel instead of core.
 
 cfstream-1.1.1 2014-03-02
diff --git a/src/lib/CFStream_stream.ml b/src/lib/CFStream_stream.ml
index d02613c..9045904 100644
--- a/src/lib/CFStream_stream.ml
+++ b/src/lib/CFStream_stream.ml
@@ -156,7 +156,8 @@ let rec drop_whilei xs ~f =
 let drop_while xs ~f = drop_whilei xs ~f:(const f)
 
 let drop xs ~n =
-  drop_whilei xs ~f:(fun j _ -> j < n)
+  let i = ref n in
+  drop_whilei xs ~f:(fun _ _ -> if !i > 0 then (decr i ; true) else false)
 
 let skip_whilei xs ~f =
   drop_whilei xs ~f ;