diff --git a/benchmarks/tracking_performances/Snakefile b/benchmarks/tracking_performances/Snakefile
index 3e8310706e75677367da0e652dc9ed8601707a99..cc446f7042e5ed1507475ceafeb317995f709813 100644
--- a/benchmarks/tracking_performances/Snakefile
+++ b/benchmarks/tracking_performances/Snakefile
@@ -13,7 +13,7 @@ rule tracking_performance_sim:
         PHASE_SPACE="(3to50|45to135|130to177)deg",
         INDEX=r"\d{4}",
     params:
-        N_EVENTS=10000
+        N_EVENTS=10000,
         SEED=lambda wildcards: "1" + wildcards.INDEX,
         DETECTOR_PATH=os.environ["DETECTOR_PATH"],
         DETECTOR_CONFIG=lambda wildcards: wildcards.DETECTOR_CONFIG,
diff --git a/benchmarks/tracking_performances_dis/Snakefile b/benchmarks/tracking_performances_dis/Snakefile
index 372cc072ca1add47265f8465ed69e700f114c392..bb1613113a34d449768690e54fc6de0f86f3533a 100644
--- a/benchmarks/tracking_performances_dis/Snakefile
+++ b/benchmarks/tracking_performances_dis/Snakefile
@@ -29,6 +29,7 @@ rule trk_dis_sim:
     params:
         N_EVENTS=200,
         EBEAM=lambda wildcards: wildcards.EBEAM,
+        INDEX=lambda wildcards: wildcards.INDEX,
         PBEAM=lambda wildcards: wildcards.PBEAM,
         MINQ2=lambda wildcards: wildcards.MINQ2,
         SEED=lambda wildcards: "1" + wildcards.INDEX,