diff --git a/SimG4Core/CustomPhysics/BuildFile.xml b/SimG4Core/CustomPhysics/BuildFile.xml
index 37c4f65268613..f805ec2132a3f 100644
--- a/SimG4Core/CustomPhysics/BuildFile.xml
+++ b/SimG4Core/CustomPhysics/BuildFile.xml
@@ -1,9 +1,11 @@
 <export>
   <lib name="1"/>
 </export>
+<use name="DataFormats/GeometryVector" source_only="1"/>
 <use name="FWCore/Framework"/>
 <use name="FWCore/MessageLogger"/>
 <use name="FWCore/PluginManager"/>
+<use name="SimG4Core/Notification"/>
 <use name="SimG4Core/Physics"/>
 <use name="SimG4Core/PhysicsLists"/>
 <use name="SimG4Core/Watcher"/>