diff --git a/evaluator/src/main/kotlin/PackageRule.kt b/evaluator/src/main/kotlin/PackageRule.kt
index a488d66133cf..791237d1729a 100644
--- a/evaluator/src/main/kotlin/PackageRule.kt
+++ b/evaluator/src/main/kotlin/PackageRule.kt
@@ -93,10 +93,10 @@ open class PackageRule(
             override fun matches(): Boolean {
                 val run = ruleSet.ortResult.advisor ?: return false
                 return run.getVulnerabilities(pkg.metadata.id).asSequence()
-                    .filter { vulnerability -> !ruleSet.resolutionProvider.isResolved(vulnerability) }
+                    .filter { !ruleSet.resolutionProvider.isResolved(it) }
                     .flatMap { it.references }
-                    .filter { reference -> reference.scoringSystem == scoringSystem }
-                    .mapNotNull { reference -> reference.severity }
+                    .filter { it.scoringSystem == scoringSystem }
+                    .mapNotNull { it.severity }
                     .any { severityComparator(it, threshold) }
             }
         }