diff --git a/MLPP/SVC/SVC.cpp b/MLPP/SVC/SVC.cpp
index 034ec30..c05d405 100644
--- a/MLPP/SVC/SVC.cpp
+++ b/MLPP/SVC/SVC.cpp
@@ -80,7 +80,7 @@ namespace MLPP{
 
             double y_hat = Evaluate(inputSet[outputIndex]);
             double z = propagate(inputSet[outputIndex]);
-            cost_prev = Cost({z}, {outputSet[outputIndex]}, weights, C);
+            cost_prev = Cost(std::vector<double>({z}), std::vector<double>({outputSet[outputIndex]}), weights, C);
 
             double costDeriv = cost.HingeLossDeriv({z}, {outputSet[outputIndex]}, C)[0];