diff --git a/public/main.js b/public/main.js
index a1e6265..5e05590 100644
--- a/public/main.js
+++ b/public/main.js
@@ -38,7 +38,7 @@ document.addEventListener('DOMContentLoaded', function () {
             loading()
             fetch('/api/block_count/' + content).then(async function (result) {
                 var res = await result.text()
-                if (res?.length >= 0) {
+                if (res?.length > 0) {
                     document.getElementById('blockcount').innerText = res.split('\n').length
                     document.getElementById('blockinstance').innerText = 'ing ' + content
                     document.getElementById('blocktook').innerText = ''