diff --git a/generator/OCaml.ml b/generator/OCaml.ml
index 92a913015..363aa5232 100644
--- a/generator/OCaml.ml
+++ b/generator/OCaml.ml
@@ -41,6 +41,7 @@ let ocaml_errnos = [
   "ESRCH";
   "ENOENT";
   "EROFS";
+  "ENOSPC";
 ]
 
 (* Generate the OCaml bindings interface. *)