diff --git a/test/sanitizer_common/TestCases/Linux/release_to_os_test.cpp b/test/sanitizer_common/TestCases/Linux/release_to_os_test.cpp
index 0a14d75..67351a9 100644
--- a/test/sanitizer_common/TestCases/Linux/release_to_os_test.cpp
+++ b/test/sanitizer_common/TestCases/Linux/release_to_os_test.cpp
@@ -3,6 +3,7 @@
 
 // Temporarily disable test
 // UNSUPPORTED: tsan
+// UNSUPPORTED: target=powerpc64{{.*}}
 
 // Not needed, no allocator.
 // UNSUPPORTED: ubsan