diff --git a/src/dune b/src/dune
index 21bb22a5..9e4553c9 100644
--- a/src/dune
+++ b/src/dune
@@ -1,7 +1,7 @@
 
 (env
   (_
-    (flags :standard -warn-error -3 -color always)
+    (flags :standard -warn-error -3 -w -70 -color always)
     (ocamlopt_flags :standard -O3 -unbox-closures -unbox-closures-factor 20
                     -inline 100)
      ))