diff --git a/MC/bin/o2dpg_sim_workflow.py b/MC/bin/o2dpg_sim_workflow.py
index 89827daea..6aa16d1f3 100755
--- a/MC/bin/o2dpg_sim_workflow.py
+++ b/MC/bin/o2dpg_sim_workflow.py
@@ -1341,7 +1341,10 @@ def getDigiTaskName(det):
       anchor_corrmaplumi_mode = '--corrmap-lumi-mode ' + anchor_corrmaplumi_mode
    
    tpc_corr_scaling_options = anchor_lumi_type + ' ' + anchor_corrmaplumi_mode
-   
+   if not isActive('CTP'):
+      # CTP digits won't be produced for this timeframe (CTP not in the readout detector list)
+      tpc_corr_scaling_options += ' --disable-ctp-lumi-request'
+
    # why not simply?
    # tpc_corr_scaling_options = ('--lumi-type 1', '')[tpcDistortionType != 0]