diff --git a/categories_map.py b/categories_map.py
index dd55f9991d60..4340bc578ef9 100644
--- a/categories_map.py
+++ b/categories_map.py
@@ -749,6 +749,7 @@
    "FastSimulation/ParticleFlow",
    "FastSimulation/ParticlePropagator",
    "FastSimulation/PileUpProducer",
+   "FastSimulation/SimplifiedGeometryPropagator",
    "FastSimulation/ShowerDevelopment",
    "FastSimulation/TrackerSetup",
    "FastSimulation/Tracking",