diff --git a/src-ui/src/app/components/ai-suggestions-panel/ai-suggestions-panel.component.ts b/src-ui/src/app/components/ai-suggestions-panel/ai-suggestions-panel.component.ts
index 137a85cf5..b55b881c8 100644
--- a/src-ui/src/app/components/ai-suggestions-panel/ai-suggestions-panel.component.ts
+++ b/src-ui/src/app/components/ai-suggestions-panel/ai-suggestions-panel.component.ts
@@ -230,7 +230,7 @@ export class AiSuggestionsPanelComponent implements OnChanges, OnDestroy {
         return new Date(suggestion.value).toLocaleDateString()
 
       case AISuggestionType.Title:
-        return suggestion.value
+        return String(suggestion.value)
 
       default:
         return String(suggestion.value)
diff --git a/src-ui/src/app/components/document-detail/document-detail.component.ts b/src-ui/src/app/components/document-detail/document-detail.component.ts
index fb27c50ad..2f33a0a9a 100644
--- a/src-ui/src/app/components/document-detail/document-detail.component.ts
+++ b/src-ui/src/app/components/document-detail/document-detail.component.ts
@@ -1657,7 +1657,7 @@ export class DocumentDetailComponent
 
       case AISuggestionType.Date:
         const dateAdapter = new ISODateAdapter()
-        const dateValue = dateAdapter.fromModel(suggestion.value)
+        const dateValue = dateAdapter.fromModel(String(suggestion.value))
         this.documentForm.get('created').setValue(dateValue)
         this.documentForm.get('created').markAsDirty()
         break