1 files changed, 2 insertions, 0 deletions
diff --git a/main.js b/main.js
index ba799f1..a5883de 100644
--- a/main.js
+++ b/main.js
@@ -171,9 +171,11 @@ map.getViewport().appendChild(container);
 
 /* scale line */
 (function() {
+  const size = map.getSize();
   const control = new ScaleLine({
     units: 'metric',
     minWidth: 150,
+    maxWidth: size[1] < 350 ? size[1] - 50 : 350,
     target: container,
   });
   control.element.classList.add('modal', 'modal-content');