diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 7a81d64df..a3affc049 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -67,7 +67,6 @@ add_subdirectory(static_addr_taken)
 add_subdirectory(structs)
 add_subdirectory(threads)
 add_subdirectory(protected_threads)
-add_subdirectory(tls_protected)
 # The following tests are not supported on ARM64 yet
 if (NOT LIBIA2_AARCH64)
     # Expected to have compartment violations, but we aren't enforcing yet:
@@ -86,6 +85,9 @@ if (NOT LIBIA2_AARCH64)
     # test calls PKRU-specific functions
     add_subdirectory(mmap_loop)
 
+    # MTE permissions aren't enforced for file-backed mappings
+    add_subdirectory(tls_protected)
+
     # no permissive mode on ARM
     add_subdirectory(permissive_mode)
 endif()