diff --git a/compiler-rt/test/lsan/TestCases/stale_stack_leak.cc b/compiler-rt/test/lsan/TestCases/stale_stack_leak.cc
index 635d73814272..8c34958545e6 100644
--- a/compiler-rt/test/lsan/TestCases/stale_stack_leak.cc
+++ b/compiler-rt/test/lsan/TestCases/stale_stack_leak.cc
@@ -5,7 +5,7 @@
 // RUN: %env_lsan_opts=$LSAN_BASE":exitcode=0" %run %t 2>&1 | FileCheck --check-prefix=CHECK-sanity %s
 //
 // x86 passes parameters through stack that may lead to false negatives
-// UNSUPPORTED: x86
+// UNSUPPORTED: x86,powerpc64
 
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/compiler-rt/test/lsan/TestCases/swapcontext.cc b/compiler-rt/test/lsan/TestCases/swapcontext.cc
index f46897a97c27..9774f6ce4bc9 100644
--- a/compiler-rt/test/lsan/TestCases/swapcontext.cc
+++ b/compiler-rt/test/lsan/TestCases/swapcontext.cc
@@ -4,7 +4,7 @@
 // RUN: %clangxx_lsan %s -o %t
 // RUN: %env_lsan_opts= %run %t 2>&1
 // RUN: %env_lsan_opts= not %run %t foo 2>&1 | FileCheck %s
-// UNSUPPORTED: arm
+// UNSUPPORTED: arm,powerpc64
 
 #include <stdio.h>
 #if defined(__APPLE__)