diff --git a/test/asan/TestCases/Darwin/scribble.cc b/test/asan/TestCases/Darwin/scribble.cc
index 33f64e1..757cc77 100644
--- a/test/asan/TestCases/Darwin/scribble.cc
+++ b/test/asan/TestCases/Darwin/scribble.cc
@@ -3,6 +3,8 @@
 // RUN: env MallocScribble=1 MallocPreScribble=1 %run %t 2>&1 | FileCheck --check-prefix=CHECK-SCRIBBLE %s
 // RUN: %env_asan_opts=max_free_fill_size=4096 %run %t 2>&1 | FileCheck --check-prefix=CHECK-SCRIBBLE %s
 
+// UNSUPPORTED: ios
+
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>