diff --git a/src/components/04_flow-management/FormFlow.vue b/src/components/04_flow-management/FormFlow.vue
index 172c4a64..c4f3efd9 100644
--- a/src/components/04_flow-management/FormFlow.vue
+++ b/src/components/04_flow-management/FormFlow.vue
@@ -396,7 +396,9 @@ onMounted(async () => {
                     outlined
                     :label="$t('general.detail')"
                     :model-value="!readonly ? step.detail : step.detail || '-'"
-                    @update:model-value="(v) => (step.detail = v?.toString())"
+                    @update:model-value="
+                      (v) => (step.detail = v?.toString() || '')
+                    "
                   />
 
                   <div class="col-6">