diff --git a/tools/lsan_suppressions.txt b/tools/lsan_suppressions.txt
index d672cb6cae506cfcfa5de48250f950c28f7c2506..a58a8a79b938075c5366088bc1a9b81e970e2e91 100644
--- a/tools/lsan_suppressions.txt
+++ b/tools/lsan_suppressions.txt
@@ -1,3 +1,4 @@
 # this is busted in BoringSSL
 leak:CRYPTO_set_thread_local
 leak:err_get_state
+leak:err_add_error_dataf