diff --git a/lldb/test/API/commands/expression/char/TestExprsChar.py b/lldb/test/API/commands/expression/char/TestExprsChar.py
index cd9c55b5a44b..849615ef9145 100644
--- a/lldb/test/API/commands/expression/char/TestExprsChar.py
+++ b/lldb/test/API/commands/expression/char/TestExprsChar.py
@@ -38,5 +38,6 @@ class ExprCharTestCase(TestBase):
             'arm64_32'],
         bugnumber="llvm.org/pr23069, <rdar://problem/28721938>")
     @expectedFailureAll(triple='mips*', bugnumber="llvm.org/pr23069")
+    @expectedFailureAll(oslist=['windows'], archs=['aarch64'], bugnumber="llvm.org/pr23069")
     def test_unsigned_char(self):
         self.do_test(dictionary={'CFLAGS_EXTRAS': '-funsigned-char'})