diff --git a/index.css b/index.css
index 58e92533..ae603566 100644
--- a/index.css
+++ b/index.css
@@ -980,7 +980,7 @@ fieldset {
 
 #templateBody > div > span {
   float: right;
-  margin: 0 1px 0 0.5px;
+  margin-inline: 1px;
 }
 
 #templateBody > div > i {
@@ -989,10 +989,9 @@ fieldset {
 
 #templateBody input,
 #templateBody select {
-  width: 4em;
+  width: 4.5em;
   height: 1em;
   border: 0;
-  font-size: 0.95em;
   background-color: #ffffff95;
   color: #05044d;
   font-style: italic;
diff --git a/index.html b/index.html
index a448ac30..18ea0f0f 100644
--- a/index.html
+++ b/index.html
@@ -108,7 +108,7 @@
       }
     </style>
 
-    <link rel="preload" href="index.css?v=1.88.00" as="style" onload="this.onload=null; this.rel='stylesheet'" />
+    <link rel="preload" href="index.css?v=1.88.03" as="style" onload="this.onload=null; this.rel='stylesheet'" />
     <link rel="preload" href="icons.css" as="style" onload="this.onload=null; this.rel='stylesheet'" />
     <link rel="preload" href="libs/jquery-ui.css" as="style" onload="this.onload=null; this.rel='stylesheet'" />
   </head>
@@ -4055,9 +4055,10 @@
             onclick="wiki('Heightmap-template-editor')"
           ></button>
           <label
-            data-tip="Set seed if you want template to generate the same heightmap each time. Leave blank to use random seed"
+            data-tip="Lock seed (click on lock icon) if you want template to generate the same heightmap each time"
           >
-            Seed: <input id="templateSeed" value="" type="number" min="1" max="999999999" step="1" style="width: 7em" />
+            Seed: <input id="templateSeed" value="" type="number" min="1" max="999999999" step="1" style="width: 8em" />
+            <i data-locked="0" id="lock_templateSeed" class="icon-lock-open"></i>
           </label>
         </div>
       </div>
@@ -7857,7 +7858,7 @@
     <script src="modules/ui/measurers.js?v=1.87.02"></script>
     <script src="modules/ui/stylePresets.js"></script>
 
-    <script src="modules/ui/general.js?v=1.87.00"></script>
+    <script src="modules/ui/general.js?v=1.87.03"></script>
     <script src="modules/ui/options.js?v=1.88.02"></script>
     <script src="main.js?v=1.88.02"></script>
 
@@ -7866,7 +7867,7 @@
     <script defer src="modules/ui/editors.js?v=1.87.07"></script>
     <script defer src="modules/ui/tools.js?v=1.87.03"></script>
     <script defer src="modules/ui/world-configurator.js"></script>
-    <script defer src="modules/ui/heightmap-editor.js?v=1.88.00"></script>
+    <script defer src="modules/ui/heightmap-editor.js?v=1.88.03"></script>
     <script defer src="modules/ui/provinces-editor.js"></script>
     <script defer src="modules/ui/biomes-editor.js"></script>
     <script defer src="modules/ui/namesbase-editor.js?v=1.87.10"></script>
diff --git a/modules/ui/general.js b/modules/ui/general.js
index fa030418..238dd2f1 100644
--- a/modules/ui/general.js
+++ b/modules/ui/general.js
@@ -452,7 +452,7 @@ function unlock(id) {
 // check if option is locked
 function locked(id) {
   const lockEl = document.getElementById("lock_" + id);
-  return lockEl.dataset.locked == 1;
+  return lockEl.dataset.locked === "1";
 }
 
 // return key value stored in localStorage or null
diff --git a/modules/ui/heightmap-editor.js b/modules/ui/heightmap-editor.js
index 7f83354a..07216f90 100644
--- a/modules/ui/heightmap-editor.js
+++ b/modules/ui/heightmap-editor.js
@@ -1041,8 +1041,10 @@ function editHeightmap(options) {
       const steps = byId("templateBody").querySelectorAll("#templateBody > div");
       if (!steps.length) return;
 
-      const seed = byId("templateSeed").value;
-      if (seed) Math.random = aleaPRNG(seed);
+      const currentSeed = byId("templateSeed").value;
+      const seed = (locked("templateSeed") && currentSeed) || generateSeed();
+      Math.random = aleaPRNG(seed);
+      byId("templateSeed").value = seed;
 
       grid.cells.h = createTypedArray({maxValue: 100, length: grid.points.length});
       HeightmapGenerator.setGraph(grid);
diff --git a/versioning.js b/versioning.js
index ee613a00..70a3027b 100644
--- a/versioning.js
+++ b/versioning.js
@@ -1,7 +1,7 @@
 "use strict";
 
 // version and caching control
-const version = "1.88.02"; // generator version, update each time
+const version = "1.88.03"; // generator version, update each time
 
 {
   document.title += " v" + version;