diff --git a/scripts/deploy-prod.sh b/scripts/deploy-prod.sh
index a625109..53e91fc 100755
--- a/scripts/deploy-prod.sh
+++ b/scripts/deploy-prod.sh
@@ -126,6 +126,12 @@ HEALTH_CHECK_MAX_ITERATIONS=24
 HEALTH_CHECK_SLEEP_SECONDS=5
 
 cd "$ROOT"
+
+# Sanitize .env.docker: Docker Compose v2 rejects quoted values (VAR="val" → VAR=val)
+if [ -f "$ROOT/.env.docker" ]; then
+  sed -i -E 's/^([A-Za-z_][A-Za-z0-9_]*)=(["\x27])(.*)\2$/\1=\3/' "$ROOT/.env.docker" || true
+fi
+
 load_env_docker
 git config --global --add safe.directory "$ROOT" 2>/dev/null || true
 git fetch origin main