diff --git a/.github/ubsan.supp b/.github/ubsan.supp
index 003670a03..82a546921 100644
--- a/.github/ubsan.supp
+++ b/.github/ubsan.supp
@@ -4,4 +4,5 @@ implicit-integer-sign-change:TObject
 implicit-signed-integer-truncation:/opt/local/include/boost/iostreams/filter/gzip.hpp
 implicit-integer-sign-change:/opt/local/include/eigen3/Eigen/src/Core/arch/SSE/Complex.h
 implicit-integer-sign-change:/opt/local/include/root/TStorage.h
+implicit-integer-sign-change:/opt/local/include/edm4hep/ObjectID.h
 implicit-unsigned-integer-truncation:/opt/local/include/Acts/TrackFinding/CombinatorialKalmanFilter.hpp