diff --git a/src/mlpack/methods/ann/activation_functions/lisht_function.hpp b/src/mlpack/methods/ann/activation_functions/lisht_function.hpp
index d0a38f9a0c..99f21553c6 100644
--- a/src/mlpack/methods/ann/activation_functions/lisht_function.hpp
+++ b/src/mlpack/methods/ann/activation_functions/lisht_function.hpp
@@ -84,7 +84,9 @@ class LiSHTFunction
    * @param dy The resulting derivatives.
    */
   template <typename InputVecType, typename OutputVecType, typename DerivVecType>
-  static void Deriv(const InputVecType &x, const OutputVecType &/* y */, DerivVecType &dy)
+  static void Deriv(const InputVecType& x,
+                    const OutputVecType& /* y */,
+                    DerivVecType& dy)
   {
     dy = arma::tanh(x) + x % (1 - arma::pow(arma::tanh(x), 2));
   }