diff --git a/devenv.nix b/devenv.nix
index fbcecf0..b74d540 100644
--- a/devenv.nix
+++ b/devenv.nix
@@ -27,7 +27,7 @@
 
     gen-changelog.exec = "git cliff -o $CHANGELOG_FILE";
     release.exec = ''
-      version = "$(git cliff --bumped-version)"
+      version="$(git cliff --bumped-version)"
       git cliff --bump --unreleased -o $CHANGELOG_FILE
       git add $CHANGELOG_FILE
       git commit -m "chore(release): release $version"