diff --git a/src/main/java/io/eroshenkoam/xcresults/export/Allure2ExportFormatter.java b/src/main/java/io/eroshenkoam/xcresults/export/Allure2ExportFormatter.java
index 3ec3dcf..d93fe7c 100644
--- a/src/main/java/io/eroshenkoam/xcresults/export/Allure2ExportFormatter.java
+++ b/src/main/java/io/eroshenkoam/xcresults/export/Allure2ExportFormatter.java
@@ -92,7 +92,7 @@ public TestResult format(final ExportMeta meta, final JsonNode node) {
             }
         }
         final Optional<StepResult> topLevelFailure = context.getFailures().values().stream()
-                .filter(f -> f.get(FAILURE_IS_TOP_LEVEL).get(VALUE).asBoolean())
+                .filter(this::isTopLevelFailure)
                 .map(this::getFailureStep)
                 .findFirst();
         if (topLevelFailure.isPresent()) {
@@ -291,6 +291,13 @@ private Optional<String> getActivityTitle(final JsonNode node) {
         return Optional.empty();
     }
 
+    private Boolean isTopLevelFailure(final JsonNode activityFailure) {
+        if (activityFailure.has(FAILURE_IS_TOP_LEVEL)) {
+            return activityFailure.get(FAILURE_IS_TOP_LEVEL).get(VALUE).asBoolean();
+        }
+        return false;
+    }
+
     private StepResult getFailureStep(final JsonNode activityFailure) {
         final Long timestamp = parseDate(activityFailure.get(FAILURE_TIMESTAMP).get(VALUE).asText());
         final String message = activityFailure.get(FAILURE_MESSAGE).get(VALUE).asText();