diff --git a/node-red/Dockerfile b/node-red/Dockerfile
index bf6f587..878dc1f 100644
--- a/node-red/Dockerfile
+++ b/node-red/Dockerfile
@@ -29,4 +29,6 @@ VOLUME /data
 
 EXPOSE 1880
 
+ENV FLOWS=flows.json
+
 CMD ["node-red", "--userDir", "/data"]
diff --git a/node-red/arm/Dockerfile b/node-red/arm/Dockerfile
index 81d094c..61e221b 100644
--- a/node-red/arm/Dockerfile
+++ b/node-red/arm/Dockerfile
@@ -29,4 +29,6 @@ VOLUME /data
 
 EXPOSE 1880
 
+ENV FLOWS=flows.json
+
 CMD ["node-red", "--userDir", "/data"]