diff --git a/lldb/test/API/functionalities/memory/tag/TestMemoryTag.py b/lldb/test/API/functionalities/memory/tag/TestMemoryTag.py
index 04bc4cc4b6a65c..d2827239caf4af 100644
--- a/lldb/test/API/functionalities/memory/tag/TestMemoryTag.py
+++ b/lldb/test/API/functionalities/memory/tag/TestMemoryTag.py
@@ -18,7 +18,7 @@ class MemoryTagTestCase(TestBase):
 
     def test_memory_tag_read_unsupported(self):
         """Test that "memory tag read" errors on unsupported platforms"""
-        if not self.isAArch64MTE():
+        if self.isAArch64MTE():
             self.skipTest("Requires a target without AArch64 MTE.")
 
         self.build()
@@ -30,6 +30,12 @@ def test_memory_tag_read_unsupported(self):
                                         num_expected_locations=1)
         self.runCmd("run", RUN_SUCCEEDED)
 
-        self.expect("memory tag read 0 1",
-                    substrs=["error: This architecture does not support memory tagging"],
-                    error=True)
+        # If you're on AArch64 you could have MTE but the remote process
+        # must also support it. If you're on any other arhcitecture you
+        # won't have any tagging at all. So the error message is different.
+        if self.getArchitecture() == "aarch64":
+            expected = "error: Process does not support memory tagging"
+        else:
+            expected = "error: This architecture does not support memory tagging"
+
+        self.expect("memory tag read 0 1", substrs=[expected], error=True)