diff --git a/web3signer/entrypoint.sh b/web3signer/entrypoint.sh
index c50f5cd..9d6bfb3 100755
--- a/web3signer/entrypoint.sh
+++ b/web3signer/entrypoint.sh
@@ -62,7 +62,7 @@ exec /opt/web3signer/bin/web3signer \
   --http-listen-port=9000 \
   --http-listen-host=0.0.0.0 \
   --http-host-allowlist="web3signer.web3signer-gnosis.dappnode,brain.web3signer-gnosis.dappnode,$ETH2_CLIENT_DNS" \
-  --http-cors-origins=* \
+  --http-cors-origins="web3signer.web3signer-gnosis.dappnode,brain.web3signer-gnosis.dappnode,$ETH2_CLIENT_DNS" \
   --metrics-enabled=true \
   --metrics-host 0.0.0.0 \
   --metrics-port 9091 \