diff --git a/ndi_monitor.cpp b/ndi_monitor.cpp
index 6de4dff..6b5c35b 100644
--- a/ndi_monitor.cpp
+++ b/ndi_monitor.cpp
@@ -84,7 +84,7 @@ static void fn(struct mg_connection *c, int ev, void *ev_data, void *fn_data){
    }else if(mg_http_match_uri(hm, "/rest")) { //handle REST events
       mg_http_reply(c, 200, "", "{\"result\": %d}\n", 123);
    }else{ // Serve static files
-      struct mg_http_serve_opts opts = {.root_dir = "/opt/ndi_monitor/assets/"};
+      struct mg_http_serve_opts opts = {.root_dir = getenv("NDI_MONITOR_ASSETS_DIR")};
       mg_http_serve_dir(c, (mg_http_message*)ev_data, &opts);
    }
   }else if (ev == MG_EV_WS_MSG){