diff --git a/test/sanitizer_suppressions/ubsan b/test/sanitizer_suppressions/ubsan
--- a/test/sanitizer_suppressions/ubsan
+++ b/test/sanitizer_suppressions/ubsan
@@ -35,5 +35,6 @@
 vptr:fs.cpp
 # Only occurs with the cmake build and clang-7
 vptr:avalanche_tests.cpp
-# Only with clang < 9
+# The vptr suppressions are only necessary for clang < 9
 vptr:boost/test/tree/observer.hpp
+vptr:boost/system/error_code.hpp