diff --git a/data-helper.js b/data-helper.js
index 3044f5a..c7aeee0 100644
--- a/data-helper.js
+++ b/data-helper.js
@@ -122,7 +122,7 @@ export const handleData = (
           });
       });
       stairs.forEach(({ navCode, facCode, no, downState, upState }) => {
-        if (points[Number(navCode)]) {
+        if (points[Number(navCode)] && no) {
           const NavPoint = Number(navCode);
           const key = `${i}_${NavPoint}`;
           const value = ftData[key];