diff --git a/plinth/action_utils.py b/plinth/action_utils.py
index b9a673dab..4f5078fcc 100644
--- a/plinth/action_utils.py
+++ b/plinth/action_utils.py
@@ -269,7 +269,7 @@ def diagnose_url(url, kind=None, env=None, extra_options=None, wrapper=None,
         if exception.returncode == 6:
             result = 'passed'
     except FileNotFoundError:
-        result = 'error: missing command'
+        result = 'error'
 
     if kind:
         return [_('Access URL {url} on tcp{kind}')
diff --git a/plinth/modules/diagnostics/templates/diagnostics_results.html b/plinth/modules/diagnostics/templates/diagnostics_results.html
index b8b59069c..195a28c98 100644
--- a/plinth/modules/diagnostics/templates/diagnostics_results.html
+++ b/plinth/modules/diagnostics/templates/diagnostics_results.html
@@ -37,7 +37,6 @@
               <span class="label label-danger">{{ result }}</span>
             {% elif result == 'error' %}
               <span class="label label-warning">{{ result }}</span>
-              {{ result }}
             {% else %}
               {{ result }}
             {% endif %}