diff --git a/app/models/odc/SoftwareVulnerability.scala b/app/models/odc/SoftwareVulnerability.scala
index 9c0aefc..94cb14b 100644
--- a/app/models/odc/SoftwareVulnerability.scala
+++ b/app/models/odc/SoftwareVulnerability.scala
@@ -13,6 +13,7 @@ final case class SoftwareVulnerability (vulnerabilityId: Int, cpeEntryId: Int, i
   def includesAllPreviousVersions: Boolean = includesAllPreviousVersionsRaw match {
     case Some("1") => true
     case None => false
+    case _ => sys.error("Unexpected value from ODC database")
   }
 }