diff --git a/src/experiments/l4-sys/campaign.cc b/src/experiments/l4-sys/campaign.cc
index 3b55e84c..5815ec33 100644
--- a/src/experiments/l4-sys/campaign.cc
+++ b/src/experiments/l4-sys/campaign.cc
@@ -158,7 +158,7 @@ void L4SysCampaign::cb_send_pilot(DatabaseCampaignMessage p)
 #endif
 	L4SysExperimentData *d = new L4SysExperimentData;
 	d->msg.mutable_fsppilot()->CopyFrom(p);
-	//d->msg.set_exp_type(d->msg.GPRFLIP);
-	d->msg.set_exp_type(d->msg.MEM);
+	d->msg.set_exp_type(d->msg.GPRFLIP);
+	//d->msg.set_exp_type(d->msg.MEM);
 	campaignmanager.addParam(d);
 }