diff --git a/app/Dockerfile b/app/Dockerfile
index 91973e1253..2c6f311a30 100644
--- a/app/Dockerfile
+++ b/app/Dockerfile
@@ -5,6 +5,7 @@ ARG NEXTAUTH_URL
 ARG NEXT_PUBLIC_URL
 ARG NEXT_PUBLIC_MAPBOX_API_TOKEN
 ARG NEXT_PUBLIC_API_URL
+ARG NEXT_PUBLIC_FEATURE_FLAGS
 
 ENV NAME marxan-app
 ENV USER $NAME