diff --git a/test/sanitizer_suppressions/ubsan b/test/sanitizer_suppressions/ubsan
index f5de358bcb..098dd29260 100644
--- a/test/sanitizer_suppressions/ubsan
+++ b/test/sanitizer_suppressions/ubsan
@@ -84,3 +84,4 @@ implicit-signed-integer-truncation:test/skiplist_tests.cpp
 implicit-signed-integer-truncation:torcontrol.cpp
 implicit-unsigned-integer-truncation:crypto/*
 implicit-unsigned-integer-truncation:leveldb/*
+implicit-integer-sign-change:crc32c/*