diff --git a/Makefile b/Makefile
index 435544a1f55..fbcbc717732 100644
--- a/Makefile
+++ b/Makefile
@@ -37,7 +37,7 @@ test-bootstrap-script:
 
 .PHONY: release
 release: $(BIN)
-	@$(BIN) build @install -p dune --profile dune-bootstrap
+	@$(BIN) build dune.install -p dune --profile dune-bootstrap
 
 $(BIN):
 	@ocaml boot/bootstrap.ml
diff --git a/flake.nix b/flake.nix
index 3c32f56996d..c274b0c785f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -233,7 +233,6 @@
               dune = (self.packages.${pkgs.stdenv.hostPlatform.system}.default).overrideAttrs {
                 postPatch = ''
                   echo '(version ${dune-version})' >> dune-project
-                  sed -i '2a version: "${dune-version}"' opam/dune.opam
                 '';
               };
               menhirPackages = import ./nix/menhir.nix {