diff --git a/.circleci/config.yml b/.circleci/config.yml
index b12f1baa..5d85d39f 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -83,6 +83,9 @@ jobs:
       - run:
           name: Wait for blockchain and REST server to be ready (started in background)
           command: timeout 60 bash -c "until curl -s http://localhost:1317/node_info > /dev/null; do sleep 1; done"
+      - run:
+          name: Deploy ERC20 contract
+          command: ./scripts/cosm/deploy_erc20.js
       - run:
           environment:
             COSMOS_ENABLED: 1
diff --git a/scripts/cosm/deploy_erc20.js b/scripts/cosm/deploy_erc20.js
old mode 100644
new mode 100755
index 06fe60b9..79e9482c
--- a/scripts/cosm/deploy_erc20.js
+++ b/scripts/cosm/deploy_erc20.js
@@ -1,3 +1,5 @@
+#!/usr/bin/env node
+
 /* eslint-disable @typescript-eslint/camelcase */
 const { Encoding } = require("@iov/encoding");
 const {