diff --git a/tests/scripts/check-generated-files.sh b/tests/scripts/check-generated-files.sh
index 3be5e95..c57ff04 100755
--- a/tests/scripts/check-generated-files.sh
+++ b/tests/scripts/check-generated-files.sh
@@ -174,6 +174,7 @@
     check scripts/generate_query_config.pl programs/test/query_config.c
     check scripts/generate_features.pl ${builtin_drivers_dir}/version_features.c
     check scripts/generate_ssl_debug_helpers.py library/ssl_debug_helpers_generated.c
+    check tests/scripts/generate_tls13_compat_tests.py tests/opt-testcases/tls13-compat.sh
     check framework/scripts/generate_test_cert_macros.py tests/src/test_certs.h
     # generate_visualc_files enumerates source files (library/*.c). It doesn't
     # care about their content, but the files must exist. So it must run after