diff --git a/src/main/java/eu/dnetlib/validator2/validation/guideline/openaire/LiteratureGuidelinesV4Profile.java b/src/main/java/eu/dnetlib/validator2/validation/guideline/openaire/LiteratureGuidelinesV4Profile.java
index 5dd6a98..e72e231 100644
--- a/src/main/java/eu/dnetlib/validator2/validation/guideline/openaire/LiteratureGuidelinesV4Profile.java
+++ b/src/main/java/eu/dnetlib/validator2/validation/guideline/openaire/LiteratureGuidelinesV4Profile.java
@@ -220,7 +220,7 @@ public final class LiteratureGuidelinesV4Profile extends AbstractOpenAireProfile
     //TODO: Implement proper applicability rule
     //LEONIDAS: The withMandatoryAttribute fails whe another date element eg. for Publication Date exists
     private static final ElementSpec EMBARGO_PERIOD_DATE_SPEC = Builders.
-            forMandatoryIfApplicableElement("datacite:date", ONE_TO_N, applicabilityRuleForEmbargoPeriodDate()).
+            forMandatoryIfApplicableElement("datacite:date", TWO, applicabilityRuleForEmbargoPeriodDate()).
             withMandatoryAttribute("dateType", EMBARGO_DATE_TYPES).
             allowedValues(new RegexValuePredicate(COMPILED_YYYY_MM_DD_RANGE_REGEX).or(new RegexValuePredicate(COMPILED_YEAR_YYYY_REG_EX))).
             build();