diff --git a/src/dune b/src/dune
index 90b3f1f8..61839198 100644
--- a/src/dune
+++ b/src/dune
@@ -1,7 +1,7 @@
 (env
  (_
-  (flags :standard -warn-error -a+8 -w -32-70 -color always -safe-string
-    -strict-sequence)
+  (flags :standard -warn-error -a+8 -w -32-70 -w +a-4-32-40-42-44-70
+         -color always -safe-string -strict-sequence)
   (ocamlopt_flags :standard -O3 -unbox-closures -unbox-closures-factor 20
     -inline 100)))