diff --git a/deploy.sh b/deploy.sh
index c0a3555..0a05716 100755
--- a/deploy.sh
+++ b/deploy.sh
@@ -6,7 +6,14 @@
 #        ./deploy.sh erpnext         (rebuild + migrate ERPNext, re-extract assets)
 #        ./deploy.sh api workers     (rebuild a custom set)
 set -euo pipefail
-cd /opt/performancewest
+# cd to this script's own directory so the deploy operates on the clone it lives
+# in. Previously this was hardcoded `cd /opt/performancewest`, which meant
+# running /opt/performancewest-dev/deploy.sh silently rebuilt PROD instead of
+# dev (the dev script is an identical copy). Resolving the real path makes the
+# same script correct in every clone; docker compose then derives the project
+# name + auto-loads docker-compose.override.yml from this directory, so dev
+# (project performancewest-dev, dev port remaps) and prod stay isolated.
+cd "$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" && pwd)"
 
 SERVICES="${@:-site api workers proxy-relay listmonk-hc}"