diff --git a/docker-compose.dev.override.yml b/docker-compose.dev.override.yml
index 4daf9f9..4bfe774 100644
--- a/docker-compose.dev.override.yml
+++ b/docker-compose.dev.override.yml
@@ -7,6 +7,15 @@ services:
     ports: !override []
     volumes: !override
       - dev-pgdata:/var/lib/postgresql/data
+  # Dev api/site share the host with prod (which owns 3001/4322). Dev nginx
+  # (dev.performancewest.net / api.dev.performancewest.net) proxies to the dev
+  # host ports 3002 (api) and 4323 (site), so remap them here.
+  api:
+    ports: !override
+      - "3002:3001"
+  site:
+    ports: !override
+      - "4323:80"
   listmonk:
     ports: !override []
   listmonk-hc: