diff --git a/kicadsch.opam b/kicadsch.opam
index 62fad9d..80e0e8d 100644
--- a/kicadsch.opam
+++ b/kicadsch.opam
@@ -7,7 +7,7 @@ bug-reports: "https://github.com/jnavila/plotkicadsch/issues"
 license: "ISC"
 dev-repo: "https://github.com/jnavila/plotkicadsch.git"
 build: [
-  [ "dune" "subst" "-n" "kicadsch" ] {pinned}
+  [ "dune" "subst" ] {pinned}
   [ "dune" "build" "-p" name "-j" jobs ]
 ]
 build-test: [
diff --git a/plotkicadsch.opam b/plotkicadsch.opam
index 426a237..eaff80c 100644
--- a/plotkicadsch.opam
+++ b/plotkicadsch.opam
@@ -7,7 +7,7 @@ doc: "https://jnavila.github.io/plotkicadsch/index"
 license: "ISC"
 dev-repo: "https://github.com/jnavila/plotkicadsch.git"
 build: [
-  [ "dune" "subst" "-n" "kicadsch" ] {pinned}
+  [ "dune" "subst" ] {pinned}
   [ "dune" "build" "-p" name "-j" jobs ]
 ]
 depends: [