Index: lnt/server/ui/templates/utils.html
===================================================================
--- lnt/server/ui/templates/utils.html
+++ lnt/server/ui/templates/utils.html
@@ -130,3 +130,14 @@
 
     </div>
 {% endmacro %}
+
+{% macro newline_to_br(value) %}
+  {# Split lines in multi-line values. #}
+  {% if '\n' in value|string %}
+    {% for ln in (value|string).split('\n') %}
+      {{ ln }}<br/>
+    {% endfor %}
+  {% else %}
+    {{value}}
+  {% endif %}
+{% endmacro %}
Index: lnt/server/ui/templates/v4_machine.html
===================================================================
--- lnt/server/ui/templates/v4_machine.html
+++ lnt/server/ui/templates/v4_machine.html
@@ -53,7 +53,7 @@
     {% for key,value in machine.parameters|dictsort %}
     <tr>
       <td>{{key}}</td>
-      <td>{{value}}</td>
+      <td>{{ utils.newline_to_br(value) }}</td>
     </tr>
     {% endfor %}
   </table>
Index: lnt/server/ui/templates/v4_run.html
===================================================================
--- lnt/server/ui/templates/v4_run.html
+++ lnt/server/ui/templates/v4_run.html
@@ -144,7 +144,7 @@
   {% for item in machine.fields %}
     <tr>
       <td> <b>{{item.name}}</b> </td>
-      <td>{{machine.get_field(item)}}</td>
+      <td>{{ utils.newline_to_br(machine.get_field(item)) }}</td>
     </tr>
   {% endfor %}
   </table>
@@ -154,7 +154,7 @@
   {% for key,value in machine.parameters|dictsort %}
     <tr>
       <td> <b>{{key}}</b> </td>
-      <td>{{value}}</td>
+      <td>{{ utils.newline_to_br(value) }}</td>
     </tr>
   {% endfor %}
   </table>
@@ -171,7 +171,7 @@
     {% for item in run.fields %}
       <tr>
         <td> <b>{{item.name}}</b> </td>
-        <td>{{run.get_field(item)}}</td>
+        <td>{{ utils.newline_to_br(run.get_field(item)) }}</td>
       </tr>
     {% endfor %}
   </table>
@@ -184,16 +184,7 @@
     {% for key, value in run.parameters|dictsort(case_sensitive=True) %}
       <tr>
         <td> <b>{{key}}</b> </td>
-        {# Split lines in multi-line values. #}
-        {% if '\n' in value|string %}
-          <td>
-          {% for ln in (value|string).split('\n') %}
-            {{ ln }}<br/>
-          {% endfor %}
-          </td>
-        {% else %}
-          <td>{{value}}</td>
-        {% endif %}
+        <td>{{ utils.newline_to_br(value) }}</td>
       </tr>
     {% endfor %}
   </table>