diff --git a/opam/opam b/opam/opam
index 9edcc76b64062c0aee195cc44862579a16fd4b38..dc071e629a7392ef2ace3b6c12ed2f7d0a5ebd4a 100644
--- a/opam/opam
+++ b/opam/opam
@@ -87,7 +87,7 @@ tags: [
 ]
 
 build: [
-  ["dune" "build" "-j%{jobs}%" "--release" "@install"]
+  ["dune" "build" "-j%{jobs}%" "--release" "--promote-install-files=false" "@install"]
   [make "-C" "doc" "download"] {with-doc}
 ]