diff --git a/test/Interpreter/layout_string_witnesses_dynamic.swift b/test/Interpreter/layout_string_witnesses_dynamic.swift
index 2aff154f749dd..87355fe825c6f 100644
--- a/test/Interpreter/layout_string_witnesses_dynamic.swift
+++ b/test/Interpreter/layout_string_witnesses_dynamic.swift
@@ -17,7 +17,7 @@
 // UNSUPPORTED: back_deployment_runtime
 
 // test disabled until rdar://151476435 is fixed
-// REQUIRES: rdar://151476435
+// REQUIRES: rdar151476435
 
 import Swift
 import layout_string_witnesses_types