diff --git a/Sources/XCResultKit/ActionTestFailureSummary.swift b/Sources/XCResultKit/ActionTestFailureSummary.swift
index e2ee6fc..d08b830 100644
--- a/Sources/XCResultKit/ActionTestFailureSummary.swift
+++ b/Sources/XCResultKit/ActionTestFailureSummary.swift
@@ -26,7 +26,7 @@ public struct ActionTestFailureSummary: XCResultObject {
             message = xcOptional(element: "message", from: json)
             fileName = try xcRequired(element: "fileName", from: json)
             lineNumber = try xcRequired(element: "lineNumber", from: json)
-            isPerformanceFailure = try xcRequired(element: "isPerformanceFailure", from: json)
+            isPerformanceFailure = xcOptional(element: "isPerformanceFailure", from: json) ?? false
         } catch {
             debug("Error parsing ActionTestFailureSummary: \(error.localizedDescription)")
             return nil