diff --git a/src/main/java/org/alliancegenome/curation_api/services/helpers/UniqueIdentifierHelper.java b/src/main/java/org/alliancegenome/curation_api/services/helpers/UniqueIdentifierHelper.java
index a0fea2520..55d2b4d71 100644
--- a/src/main/java/org/alliancegenome/curation_api/services/helpers/UniqueIdentifierHelper.java
+++ b/src/main/java/org/alliancegenome/curation_api/services/helpers/UniqueIdentifierHelper.java
@@ -10,6 +10,9 @@
 
 public class UniqueIdentifierHelper {
 
+	private UniqueIdentifierHelper() {
+	}
+
 	public static <E extends AnnotationDTO> String getIdentifyingField(E annotationDTO) {
 		if (StringUtils.isNotBlank(annotationDTO.getModEntityId())) {
 			return "modEntityId";