diff --git a/benchmarks/far_forward/options/far_forward_reconstruction.py b/benchmarks/far_forward/options/far_forward_reconstruction.py
index c5092c794a37a070323316241740ad7295e15f68..78f4c8b4f981ca4c49ff335060e7db6423aeb671 100644
--- a/benchmarks/far_forward/options/far_forward_reconstruction.py
+++ b/benchmarks/far_forward/options/far_forward_reconstruction.py
@@ -36,9 +36,9 @@ sim_colls = [
     "B0TrackerHits",
     "ForwardRomanPotHits1",
     "ForwardRomanPotHits2",
-    "ForwardOffMTrackerHits1"
-    "ForwardOffMTrackerHits2"
-    "ForwardOffMTrackerHits3"
+    "ForwardOffMTrackerHits1",
+    "ForwardOffMTrackerHits2",
+    "ForwardOffMTrackerHits3",
     "ForwardOffMTrackerHits4"
 ]