diff --git a/MC/config/PWGGAJE/pythia8/generator/pythia8_powheg.cfg b/MC/config/PWGGAJE/pythia8/generator/pythia8_powheg.cfg
index 7a3e2830e..e5a313535 100644
--- a/MC/config/PWGGAJE/pythia8/generator/pythia8_powheg.cfg
+++ b/MC/config/PWGGAJE/pythia8/generator/pythia8_powheg.cfg
@@ -1,4 +1,4 @@
-Beams:eCM 13000. 		# GeV
+Beams:eCM 13600. 		# GeV
 ### processes
 Next:numberShowLHA = 1
 Next:numberShowInfo = 1