diff --git a/compiler-rt/test/sanitizer_common/TestCases/sanitizer_coverage_trace_pc_guard-dso.cc b/compiler-rt/test/sanitizer_common/TestCases/sanitizer_coverage_trace_pc_guard-dso.cc
index 841d050e2abe..f106092cbefb 100644
--- a/compiler-rt/test/sanitizer_common/TestCases/sanitizer_coverage_trace_pc_guard-dso.cc
+++ b/compiler-rt/test/sanitizer_common/TestCases/sanitizer_coverage_trace_pc_guard-dso.cc
@@ -1,7 +1,7 @@
 // Tests trace pc guard coverage collection.
 //
 // REQUIRES: has_sancovcc,stable-runtime
-// XFAIL: tsan,darwin,powerpc64
+// XFAIL: tsan,darwin,powerpc64,s390x
 //
 // RUN: DIR=%t_workdir
 // RUN: CLANG_ARGS="-O0 -fsanitize-coverage=trace-pc-guard"
diff --git a/compiler-rt/test/sanitizer_common/TestCases/sanitizer_coverage_trace_pc_guard.cc b/compiler-rt/test/sanitizer_common/TestCases/sanitizer_coverage_trace_pc_guard.cc
index 13ef9cba02c1..305d75643e54 100644
--- a/compiler-rt/test/sanitizer_common/TestCases/sanitizer_coverage_trace_pc_guard.cc
+++ b/compiler-rt/test/sanitizer_common/TestCases/sanitizer_coverage_trace_pc_guard.cc
@@ -1,7 +1,7 @@
 // Tests trace pc guard coverage collection.
 //
 // REQUIRES: has_sancovcc,stable-runtime
-// XFAIL: tsan,darwin,powerpc64
+// XFAIL: tsan,darwin,powerpc64,s390x
 //
 // RUN: DIR=%t_workdir
 // RUN: rm -rf $DIR