diff --git a/DigitalLearningSolutions.Web/Views/CompetencyAssessments/SelectOptionalCompetencies.cshtml b/DigitalLearningSolutions.Web/Views/CompetencyAssessments/SelectOptionalCompetencies.cshtml
index 46de95bc9b..cb3df401cf 100644
--- a/DigitalLearningSolutions.Web/Views/CompetencyAssessments/SelectOptionalCompetencies.cshtml
+++ b/DigitalLearningSolutions.Web/Views/CompetencyAssessments/SelectOptionalCompetencies.cshtml
@@ -84,7 +84,7 @@
     <input type="hidden" asp-for="MinimumOptionalCompetencies" />
     <input type="hidden" asp-for="ManageOptionalCompetenciesPrompt" />
     <input type="hidden" asp-for="VocabularyPlural" />
-        
+    <input type="hidden" asp-for="VocabularySingular" />
     <button class="nhsuk-button" type="submit">
         Save
     </button>
diff --git a/DigitalLearningSolutions.Web/Views/CompetencyAssessments/SetMinimumOptionalCompetencies.cshtml b/DigitalLearningSolutions.Web/Views/CompetencyAssessments/SetMinimumOptionalCompetencies.cshtml
index db53b9c6f9..cdee2684b3 100644
--- a/DigitalLearningSolutions.Web/Views/CompetencyAssessments/SetMinimumOptionalCompetencies.cshtml
+++ b/DigitalLearningSolutions.Web/Views/CompetencyAssessments/SetMinimumOptionalCompetencies.cshtml
@@ -46,7 +46,8 @@
     </nhs-form-group>
     <input type="hidden" asp-for="ID" />
     <input type="hidden" asp-for="OptionalCompetenciesCount" />
-    <input type="hidden" asp-for="VocabularyPlural" />
+        <input type="hidden" asp-for="VocabularySingular" />
+        <input type="hidden" asp-for="VocabularyPlural" />
     <hr class="nhsuk-section-break nhsuk-section-break--m" />
     <button class="nhsuk-button" type="submit">
         Save
diff --git a/DigitalLearningSolutions.Web/Views/CompetencyAssessments/SetOptionalCompetencyLearnerPrompt.cshtml b/DigitalLearningSolutions.Web/Views/CompetencyAssessments/SetOptionalCompetencyLearnerPrompt.cshtml
index 723af09556..19de426be1 100644
--- a/DigitalLearningSolutions.Web/Views/CompetencyAssessments/SetOptionalCompetencyLearnerPrompt.cshtml
+++ b/DigitalLearningSolutions.Web/Views/CompetencyAssessments/SetOptionalCompetencyLearnerPrompt.cshtml
@@ -47,7 +47,8 @@
         <span nhs-validation-for="ManageOptionalCompetenciesPrompt"></span>
     </nhs-form-group>
     <input type="hidden" asp-for="ID" />
-    <input type="hidden" asp-for="VocabularyPlural" />
+        <input type="hidden" asp-for="VocabularyPlural" />
+        <input type="hidden" asp-for="VocabularySingular" />
 
         <hr class="nhsuk-section-break nhsuk-section-break--m" />
     <button class="nhsuk-button" type="submit">