diff --git a/CHANGELOG-rust.md b/CHANGELOG-rust.md
index 79b56b0..728c812 100644
--- a/CHANGELOG-rust.md
+++ b/CHANGELOG-rust.md
@@ -5,6 +5,7 @@ This changelog tracks the Rust `svdtools` project. See
 
 ## [Unreleased]
 
+* Prevent collapsing columns in HTML `register-map-table` with `min-width`
 * Protect from using one `enumeratedValues` in fields with different width
 
 ## [v0.3.17] 2024-07-05
diff --git a/src/html/template.html b/src/html/template.html
index 7c7a27b..cc74e68 100644
--- a/src/html/template.html
+++ b/src/html/template.html
@@ -45,6 +45,9 @@
 .bitfield td.separated {
   background-color:#eee;
 }
+.register-map-table th {
+	min-width: 15px;
+}
 summary {
   /* fix bootstrap 2 bug, https://github.com/twbs/bootstrap/issues/21060 */
   display: list-item;
@@ -82,7 +85,7 @@
         fields covered
       </div>
       <div class="progress">
-        
+
         <div class="progress-bar progress-bar-success" style="width: {{ device.progress }}%">
         </div>
       </div>