diff --git a/src/mlpack/methods/xgboost/loss_functions/sse_loss.hpp b/src/mlpack/methods/xgboost/loss_functions/sse_loss.hpp
index c754e9e7eb..bae167fffc 100644
--- a/src/mlpack/methods/xgboost/loss_functions/sse_loss.hpp
+++ b/src/mlpack/methods/xgboost/loss_functions/sse_loss.hpp
@@ -119,7 +119,7 @@ class SSELoss
     return std::pow(arma::accu(gradients), 2) /
         (arma::accu(hessians) + lambda);
   }
-}
+};
 
 } // namespace ensemble
 } // namespace mlpack