diff --git a/x-pack/plugins/cloud_defend/public/common/utils.ts b/x-pack/plugins/cloud_defend/public/common/utils.ts
index 0423a3ad44722..8200bb866db8a 100644
--- a/x-pack/plugins/cloud_defend/public/common/utils.ts
+++ b/x-pack/plugins/cloud_defend/public/common/utils.ts
@@ -186,7 +186,7 @@ export function validateStringValuesForCondition(condition: SelectorCondition, v
   const { pattern, patternError } = SelectorConditionsMap[condition];
 
   values?.forEach((value) => {
-    if (value.length === 0) {
+    if (value?.length === 0) {
       errors.push(
         i18n.translate('xpack.cloudDefend.errorGenericEmptyValue', {
           defaultMessage: '"{condition}" values cannot be empty',