diff --git a/cmd/http/public/transactions.html b/cmd/http/public/transactions.html
index 6a25bf1..5db76c1 100644
--- a/cmd/http/public/transactions.html
+++ b/cmd/http/public/transactions.html
@@ -80,7 +80,7 @@
       function loadLastNLines(lastNLines) {
         var result = `<form onsubmit="setLastNLines(this); return false;" action="#">`
         result += `  <div>${f}</div>`
-        result += `  <textarea name="lastNLines">`
+        result += `  <textarea name="lastNLines" style="height: 30em;">`
         for (var k in lastNLines) {
           result += lastNLines[k] + "\n"
         }