diff --git a/deno-client/build.sh b/deno-client/build.sh
index f2c8849bb1..37bac778b6 100755
--- a/deno-client/build.sh
+++ b/deno-client/build.sh
@@ -4,8 +4,9 @@ set -e
 npm ci --ignore-scripts
 npx --yes openapi-typescript-codegen --input ../backend/windmill-api/openapi.yaml \
  --output ./src --useOptions \
- && sed -i '213 i \\    request.referrerPolicy = \"no-referrer\"\n' src/core/request.ts
-npx --yes denoify
+ && sed -i '213 i \\    request.referrerPolicy = \"no-referrer\"\n' src/core/request.ts 
+ npx --yes denoify
 rm -rf windmill-api
 mv deno_dist windmill-api
+sed -i 's/buffer DENOIFY: UNKNOWN NODE BUILTIN/node:buffer/' ./windmill-api/core/request.ts 
 rm -rf src/