diff --git a/org/qmckl_sherman_morrison_woodbury.org b/org/qmckl_sherman_morrison_woodbury.org
index 30117b9..e7e78ca 100644
--- a/org/qmckl_sherman_morrison_woodbury.org
+++ b/org/qmckl_sherman_morrison_woodbury.org
@@ -468,7 +468,7 @@ qmckl_exit_code qmckl_sherman_morrison_naive(const qmckl_context context,
    interface
      integer(c_int32_t) function qmckl_sherman_morrison_naive_doc &
 	 (context, Dim, N_updates, Updates, Updates_index, breakdown, Slater_inv, determinant) &
-	 bind(C)
+	 bind(C) result(info)
 
        use, intrinsic :: iso_c_binding
        import