diff --git a/PWGMM/Mult/Tasks/mftReassociationValidation.cxx b/PWGMM/Mult/Tasks/mftReassociationValidation.cxx
index ea99e6b354f..b65d22bde62 100644
--- a/PWGMM/Mult/Tasks/mftReassociationValidation.cxx
+++ b/PWGMM/Mult/Tasks/mftReassociationValidation.cxx
@@ -39,6 +39,7 @@
 #include <Framework/Logger.h>
 #include <Framework/O2DatabasePDGPlugin.h>
 #include <Framework/runDataProcessing.h>
+#include <MathUtils/Utils.h>
 #include <ReconstructionDataFormats/TrackFwd.h>
 
 #include <TGeoGlobalMagField.h>