diff --git a/compiler-rt/test/fuzzer/big-file-copy.test b/compiler-rt/test/fuzzer/big-file-copy.test
index c1893eafb573e..766c90d5bdced 100644
--- a/compiler-rt/test/fuzzer/big-file-copy.test
+++ b/compiler-rt/test/fuzzer/big-file-copy.test
@@ -1,5 +1,6 @@
 REQUIRES: darwin
+UNSUPPORTED: tvos || watchos
 RUN: %cpp_compiler %S/BigFileCopy.cpp -o %t
 RUN: %run %t -runs=1 -rss_limit_mb=4096 2>big-file-out.txt; result=$?
 RUN: %run rm -f big-file.txt big-file-out.txt
-RUN: %run (exit $result)
+RUN: (exit $result)