diff --git a/tests/fail.cmake b/tests/fail.cmake
index 308b15c5d..709a31ef7 100644
--- a/tests/fail.cmake
+++ b/tests/fail.cmake
@@ -32,6 +32,7 @@ list(APPEND TOIT_FLAKY_TESTS
   tests/tls-global-cert-simple-test.toit
   tests/tls-simple-cert.toit
   tests/tls-resume-session-test.toit
+  tests/tls2-test.toit
 )
 
 list(APPEND TOIT_OPTIMIZATION_SKIP_TESTS