diff --git a/.changeset/brown-dingos-try.md b/.changeset/brown-dingos-try.md
new file mode 100644
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+++ b/.changeset/brown-dingos-try.md
@@ -0,0 +1,5 @@
+---
+"@zazuko/spex": patch
+---
+
+Replace `process.env` in final builds, to prevent the app to crash.