diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5e105f5..e91e918 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ jobs:
           sudo apt-get install -y mkcert libnss3-tools
           mkdir -p certs
           mkcert -install
-          mkcert localhost [IP_ADDRESS] ::1 -cert-file certs/localhost.pem -key-file certs/localhost-key.pem
+          mkcert localhost 127.0.0.1 ::1 -cert-file certs/localhost.pem -key-file certs/localhost-key.pem
 
   frontend:
     name: Frontend CI