diff --git a/montecarlo/run_sim.sh b/montecarlo/run_sim.sh
index 98f55e1..8978b02 100755
--- a/montecarlo/run_sim.sh
+++ b/montecarlo/run_sim.sh
@@ -398,7 +398,7 @@ rm ${FAX_FILENAME}.*  # Peak-by-peak file with all photoionization info
 
 
 # hax stage
-HAX_TREEMAKERS="Corrections Basics Fundamentals DoubleScatter LargestPeakProperties TotalProperties Extended"
+HAX_TREEMAKERS="Corrections Basics Fundamentals CorrectedDoubleS1Scatter LargestPeakProperties TotalProperties Extended"
 
 # ROOT output
 (time haxer --main_data_paths ${OUTDIR} --input ${PAX_FILENAME##*/} --pax_version_policy loose --treemakers ${HAX_TREEMAKERS} --force_reload;) 2>&1 | tee ${HAX_FILENAME}.log