diff --git a/test/stdlib/KeyPath.swift b/test/stdlib/KeyPath.swift
index 1b4a1270a8a38..9c279a5590f6d 100644
--- a/test/stdlib/KeyPath.swift
+++ b/test/stdlib/KeyPath.swift
@@ -422,6 +422,7 @@ keyPath.test("optional force-unwrapping") {
   expectTrue(value.questionableCanary === newCanary)
 }
 
+#if !os(WASI)
 keyPath.test("optional force-unwrapping trap") {
   let origin_x = \TestOptional.origin!.x
   var value = TestOptional(origin: nil)
@@ -429,6 +430,7 @@ keyPath.test("optional force-unwrapping trap") {
   expectCrashLater()
   _ = value[keyPath: origin_x]
 }
+#endif
 
 struct TestOptional2 {
   var optional: TestOptional?