diff --git a/src/main/java/org/matsim/prepare/CreateCommercialDemand.java b/src/main/java/org/matsim/prepare/CreateCommercialDemand.java
index fe761c3..023ad62 100644
--- a/src/main/java/org/matsim/prepare/CreateCommercialDemand.java
+++ b/src/main/java/org/matsim/prepare/CreateCommercialDemand.java
@@ -284,6 +284,9 @@ public Integer call() {
 			config.qsim().setTrafficDynamics(QSimConfigGroup.TrafficDynamics.kinematicWaves);
 			config.qsim().setUsingTravelTimeCheckInTeleportation(true);
 			config.qsim().setUsePersonIdForMissingVehicleId(false);
+			//to get no traffic jam for the 1 iteration
+			config.qsim().setFlowCapFactor(sample * 4);
+			config.qsim().setStorageCapFactor(sample * 4);
 			config.replanning().setFractionOfIterationsToDisableInnovation(0.8);
 			config.scoring().setFractionOfIterationsToStartScoreMSA(0.8);
 			config.getModules().remove("intermodalTripFareCompensators");