diff --git a/tools/testing/selftests/arm64/mte/.gitignore b/tools/testing/selftests/arm64/mte/.gitignore
index bc3ac63f33144a2cb154362dc13cb9b5edae57bc..d1fe4ddf1669045adf561ebb39d87f8de725d164 100644
--- a/tools/testing/selftests/arm64/mte/.gitignore
+++ b/tools/testing/selftests/arm64/mte/.gitignore
@@ -1,4 +1,5 @@
 check_buffer_fill
+check_gcr_el1_cswitch
 check_tags_inclusion
 check_child_memory
 check_mmap_options