diff --git a/Generators/GeneratorUtils/python/ShiftLOS.py b/Generators/GeneratorUtils/python/ShiftLOS.py
index f1010367869d449b29b80e1d10dde1f0f14758b9..fb6180b4787e94ebe86d6833ed8c70c6f05cf8c4 100644
--- a/Generators/GeneratorUtils/python/ShiftLOS.py
+++ b/Generators/GeneratorUtils/python/ShiftLOS.py
@@ -40,17 +40,17 @@ class ShiftLOS(PyAthena.Alg):
             # Shift x or y by appropriate crossing angle
             if self.xcross:                
                 x += dz * self.xcross 
-                self.msg.debug(f"Shifting x by {self.xcross} over {dz}: {pos.x()} -> {x} ")
+                self.msg.debug(f"Shifting x by {self.xcross} urad over {dz}: {pos.x()} -> {x} ")
             elif self.ycross:
                 y += dz * self.ycross
-                self.msg.debug(f"Shifting y by {self.ycross} over {dz}: {pos.y()} -> {y} ")
+                self.msg.debug(f"Shifting y by {self.ycross} urad over {dz}: {pos.y()} -> {y} ")
 
             if self.xshift:
                 x += self.xshift
-                self.msg.debug(f"Shifting x by {self.xshift}: {pos.x()} -> {x} ")                
+                self.msg.debug(f"Shifting x by {self.xshift} mm: {pos.x()} -> {x} ")                
             elif self.yshift:
                 y += self.yshift
-                self.msg.debug(f"Shifting x by {self.yshift}: {pos.y()} -> {y} ")                                
+                self.msg.debug(f"Shifting x by {self.yshift} mm: {pos.y()} -> {y} ")                                
                             
             v.set_position(HepMC.FourVector(x, y, z, pos.t()))
 
diff --git a/Generators/GeneratorUtils/python/ShiftLOSConfig.py b/Generators/GeneratorUtils/python/ShiftLOSConfig.py
index 5aece64bfec84c06279b6d1d22d66c0e1a012024..4d7f02d59d93591aa6c0e26156ce9a07e10e445d 100644
--- a/Generators/GeneratorUtils/python/ShiftLOSConfig.py
+++ b/Generators/GeneratorUtils/python/ShiftLOSConfig.py
@@ -4,7 +4,7 @@
 
 # import sys
 from AthenaConfiguration.MainServicesConfig import AthSequencer
-from AthenaConfiguration.ComponentAccumulator import ComponentAccumulator
+from AthenaConfiguration.ComponentAccumulator import ComponentAccumulator, ConfigurationError
 from AthenaConfiguration.ComponentFactory import CompFactory
 
 from GeneratorUtils.ShiftLOS import ShiftLOS
@@ -21,6 +21,12 @@ def ShiftLOSCfg(ConfigFlags, **kwargs) :
     shift.ycross = kwargs.setdefault("ycross", 0)
     shift.xshift = kwargs.setdefault("xshift", 0)
     shift.yshift = kwargs.setdefault("yshift", 0)    
-    cfg.addEventAlgo(shift, sequenceName = "AthBeginSeq", primary = True) # to run *before* G4
 
+    try:
+        # Run for PG
+        cfg.addEventAlgo(shift, sequenceName = "AthBeginSeq", primary = True) # to run *before* G4
+    except ConfigurationError:
+        # Run for pool or hepmc
+        cfg.addEventAlgo(shift, sequenceName = "AthAlgSeq", primary = True) # to run *before* G4        
+        
     return cfg