diff --git a/index.html b/index.html
index 4638c2fd..63c46386 100644
--- a/index.html
+++ b/index.html
@@ -947,7 +947,7 @@
 
           <tr data-tip="Map seed number. Seed produces the same map only if canvas size and options are the same">
             <td>
-              <i data-tip="Show seed history to apply a previous seed" id="optionsMapHistory" class="icon-history"></i>
+              <i data-tip="Show seed history to apply a previous seed" id="optionsMapHistory" class="icon-hourglass-1"></i>
             </td>
             <td>Map seed</td>
             <td>
diff --git a/modules/ui/options.js b/modules/ui/options.js
index 912c6150..35645d14 100644
--- a/modules/ui/options.js
+++ b/modules/ui/options.js
@@ -288,18 +288,16 @@ function generateMapWithSeed(source) {
 }
 
 function showSeedHistoryDialog() {
-  const alert = mapHistory
-    .map(function (h, i) {
-      const created = new Date(h.created).toLocaleTimeString();
-      const button = `<i data-tip"Click to generate a map with this seed" onclick="restoreSeed(${i})" class="icon-history optionsSeedRestore"></i>`;
-      return `<div>${i + 1}. Seed: ${h.seed} ${button}. Size: ${h.width}x${h.height}. Template: ${h.template}. Created: ${created}</div>`;
-    })
-    .join("");
-  alertMessage.innerHTML = alert;
+  const lines = mapHistory.map((h, i) => {
+    const created = new Date(h.created).toLocaleTimeString();
+    const button = `<i data-tip="Click to generate a map with this seed" onclick="restoreSeed(${i})" class="icon-history optionsSeedRestore"></i>`;
+    return `<li>Seed: ${h.seed} ${button}. Size: ${h.width}x${h.height}. Template: ${h.template}. Created: ${created}</li>`;
+  });
+  alertMessage.innerHTML = `<ol style="margin: 0; padding-left: 1.5em">${lines.join("")}</ol>`;
+
   $("#alert").dialog({
     resizable: false,
     title: "Seed history",
-    width: fitContent(),
     position: {my: "center", at: "center", of: "svg"}
   });
 }