diff --git a/index.html b/index.html
index ef4d1660..8eb8d2c2 100644
--- a/index.html
+++ b/index.html
@@ -1529,7 +1529,9 @@
               <td></td>
             </tr>
 
-            <tr data-tip="Map seed number. Seed produces the same map only if canvas size and options are the same">
+            <tr
+              data-tip="Map seed number. Press 'Enter' to apply. 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"
@@ -1595,7 +1597,7 @@
 
             <tr data-tip="Define current year and era name">
               <td>
-                <i data-locked="0" id="lock_era" class="icon-lock-open"></i>
+                <i data-locked="0" id="lock_year" data-ids="year,era" class="icon-lock-open"></i>
               </td>
               <td>Year and era</td>
               <td>
@@ -8046,7 +8048,7 @@
     <script src="modules/ui/measurers.js?v=1.99.00"></script>
     <script src="modules/ui/style-presets.js?v=1.100.00"></script>
 
-    <script src="modules/ui/general.js?v=1.100.00"></script>
+    <script src="modules/ui/general.js?v=1.101.02"></script>
     <script src="modules/ui/options.js?v=1.100.00"></script>
     <script src="main.js?v=1.100.00"></script>
 
diff --git a/modules/ui/general.js b/modules/ui/general.js
index 7fd7e4d5..3530a442 100644
--- a/modules/ui/general.js
+++ b/modules/ui/general.js
@@ -429,17 +429,19 @@ function highlightEmblemElement(type, el) {
 
 // assign lock behavior
 document.querySelectorAll("[data-locked]").forEach(function (e) {
-  e.addEventListener("mouseover", function (event) {
+  e.addEventListener("mouseover", e => {
+    e.stopPropagation();
     if (this.className === "icon-lock")
       tip("Click to unlock the option and allow it to be randomized on new map generation");
     else tip("Click to lock the option and always use the current value on new map generation");
-    event.stopPropagation();
   });
 
   e.addEventListener("click", function () {
-    const id = this.id.slice(5);
-    if (this.className === "icon-lock") unlock(id);
-    else lock(id);
+    const fn = this.className === "icon-lock" ? unlock : lock;
+    const ids = this.dataset.ids.split(",");
+
+    if (ids.length) ids.forEach(fn);
+    else fn(this.id.slice(5));
   });
 });
 
diff --git a/versioning.js b/versioning.js
index 403ae70c..ac005116 100644
--- a/versioning.js
+++ b/versioning.js
@@ -12,7 +12,7 @@
  *
  * Example: 1.102.0 -> Major version 1, Minor version 102, Patch version 0
  */
-const VERSION = "1.101.01";
+const VERSION = "1.101.02";
 
 {
   document.title += " v" + VERSION;