diff --git a/apps/web/src/env/schema.mjs b/apps/web/src/env/schema.mjs
index fb7ff6f3..7a53360e 100644
--- a/apps/web/src/env/schema.mjs
+++ b/apps/web/src/env/schema.mjs
@@ -33,7 +33,10 @@ export const serverSchema = z.object({
   HASHING_SECRET: z.string().min(1),
   ENABLE_GITHUB_APP: z.boolean().optional(),
   GITHUB_APP_ID: z.string().optional(),
-  GITHUB_APP_PRIVATE_KEY: z.string().optional(),
+  GITHUB_APP_PRIVATE_KEY: z
+    .string()
+    .optional()
+    .transform((s) => s.replace(/\\n/g, "\n")),
   OPENAI_API_KEY: z.string().optional(),
 });