diff --git a/.github/workflows/build-wasm_of_ocaml.yml b/.github/workflows/build-wasm_of_ocaml.yml
index d3b2d224c2..d1f0ca1f62 100644
--- a/.github/workflows/build-wasm_of_ocaml.yml
+++ b/.github/workflows/build-wasm_of_ocaml.yml
@@ -10,6 +10,7 @@ jobs:
   build:
     env:
       WASM_OF_OCAML: true
+      DUNE_SANDBOX: none
 
     strategy:
       fail-fast: false