1 files changed, 1 insertions, 1 deletions
diff --git a/src/main/kotlin/dev/dnpm/etl/processor/pseudonym/extensions.kt b/src/main/kotlin/dev/dnpm/etl/processor/pseudonym/extensions.kt
index 23032e8..d8969c1 100644
--- a/src/main/kotlin/dev/dnpm/etl/processor/pseudonym/extensions.kt
+++ b/src/main/kotlin/dev/dnpm/etl/processor/pseudonym/extensions.kt
@@ -167,7 +167,7 @@ infix fun Mtb.anonymizeContentWith(pseudonymizeService: PseudonymizeService) {
       this.studyEnrollmentRecommendations?.filterNotNull()?.forEach { studyEnrollmentRecommendation
         ->
         studyEnrollmentRecommendation.id = studyEnrollmentRecommendation.id?.let(::anonymize)
-        studyEnrollmentRecommendation.supportingVariants.forEach {
+        studyEnrollmentRecommendation.supportingVariants?.forEach {
           it.variant?.id = it?.variant?.id?.let(::anonymize)
         }
       }