diff --git a/macro/mcbm/mcbm_transport_beam.C b/macro/mcbm/mcbm_transport_beam.C
index eccdbf2e0199f822933ab6ba8665dc5b653f0519..15f5732adab96776af47af4140e3b329e532cbdc 100644
--- a/macro/mcbm/mcbm_transport_beam.C
+++ b/macro/mcbm/mcbm_transport_beam.C
@@ -115,7 +115,7 @@ void mcbm_transport_beam(UInt_t nEvents     = 1,
   run.SetVertexSmearZ(kFALSE);
 
   run.SetBeamPosition(0., 0., beamWidthX, beamWidthY, beamStartZ);
-  run.SetBeamAngle(0., beamAngle, 0., 0.);
+  run.SetBeamAngle(beamAngle, 0., 0., 0.);
   run.ForceVertexInTarget(kFALSE);