diff --git a/web/static/map.js b/web/static/map.js
index f15b281..978cc60 100644
--- a/web/static/map.js
+++ b/web/static/map.js
@@ -2,7 +2,9 @@
     'use strict';
 
     const container = document.getElementById('campground_map');
-    container.style.height = '80vh';
+    if (!container) {
+        console.warn('could not find map container');
+    }
 
     const svg = container.childNodes[0];
     svg.remove();