diff --git a/ref-test/app/analysis/templates/analysis/analysis.html b/ref-test/app/analysis/templates/analysis/analysis.html
index 33aad9d..39876d2 100644
--- a/ref-test/app/analysis/templates/analysis/analysis.html
+++ b/ref-test/app/analysis/templates/analysis/analysis.html
@@ -55,7 +55,11 @@
         <div class="input-group mb-3">
             <span class="input-group-text">Standard Deviation</span>
             <span class="form-control">
-                {{ analysis.scores.stdev|round(2) }}
+                {% if analysis.scores.stdev %}
+                    {{ analysis.scores.stdev|round(2) }}
+                {% else %}
+                    {{ None }}
+                {% endif %}
             </span>
         </div>
         <div class="input-group mb-3">