diff --git a/website/assets/support_plans.js b/website/assets/support_plans.js
index 343240a..c505e4a 100644
--- a/website/assets/support_plans.js
+++ b/website/assets/support_plans.js
@@ -45,10 +45,10 @@ pricingSlider.on('update', function (values, _) {
   tooltip.classList.remove('last')
 
   if (document.documentElement.clientWidth < 500) {
-    if (value <= 1) {
+    if (value === 0) {
       tooltip.classList.add('first')
     }
-    if (value >= priceNumbers.length - 2) {
+    if (value === priceNumbers.length - 1) {
       tooltip.classList.add('last')
     }
   }