diff --git a/src/experiments/l4-sys/campaign.cc b/src/experiments/l4-sys/campaign.cc
index e6a62a1a..3b55e84c 100644
--- a/src/experiments/l4-sys/campaign.cc
+++ b/src/experiments/l4-sys/campaign.cc
@@ -158,6 +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.GPRFLIP);
+	d->msg.set_exp_type(d->msg.MEM);
 	campaignmanager.addParam(d);
 }
diff --git a/src/experiments/l4-sys/l4sys.proto b/src/experiments/l4-sys/l4sys.proto
index 3f39af05..83cf3685 100644
--- a/src/experiments/l4-sys/l4sys.proto
+++ b/src/experiments/l4-sys/l4sys.proto
@@ -8,6 +8,7 @@ message L4SysProtoMsg {
 		RATFLIP = 2;
 		IDCFLIP = 3;
 		ALUINSTR = 4;
+		MEM = 5;
 	}
 
 	// registers