diff --git a/bin/mem_test.cc b/bin/mem_test.cc
index bafe0195804e6725bde47a623b146df83bdf16b3..1e99968996faebdfa35d6bcd862e052522c473c2 100644
--- a/bin/mem_test.cc
+++ b/bin/mem_test.cc
@@ -14,7 +14,7 @@ const TLorentzVector p4(double pt, double eta, double phi, double mass) {
 int main(){
 
   //Setup the MEM
-  MEMClassifier mem;
+  MEMClassifier mem(0, "btagDeepFlavB_", "2017");
 
   //Add some objects to the MEM
   std::vector<TLorentzVector> jets_p4_nominal = {