diff --git a/test/sanitizer_suppressions/ubsan b/test/sanitizer_suppressions/ubsan
--- a/test/sanitizer_suppressions/ubsan
+++ b/test/sanitizer_suppressions/ubsan
@@ -31,8 +31,9 @@
 unsigned-integer-overflow:util/strencodings.cpp
 unsigned-integer-overflow:validation.cpp
 vptr:fs.cpp
-# Only occurs with the cmake build and clang-7
+# False positive vptr due to boost::unit_test::decorator::timeout
 vptr:avalanche/test/processor_tests.cpp
+vptr:avalanche/test/peermanager_tests.cpp
 # The vptr suppressions are only necessary for clang < 9
 vptr:boost/test/tree/observer.hpp
 vptr:boost/system/error_code.hpp