diff --git a/validation-test/compiler_crashers/28568-result-case-not-implemented.swift b/validation-test/compiler_crashers/28568-result-case-not-implemented.swift
index 8cf8895a47abb..2b973eb7a8b0b 100644
--- a/validation-test/compiler_crashers/28568-result-case-not-implemented.swift
+++ b/validation-test/compiler_crashers/28568-result-case-not-implemented.swift
@@ -7,6 +7,7 @@
 
 // RUN: not --crash %target-swift-frontend %s -emit-ir
 // REQUIRES: asserts
+// REQUIRES: deterministic-behavior
 {_{return 1 + 2
 A{
 }}