diff --git a/src/nnet3/nnet-chain-training.cc b/src/nnet3/nnet-chain-training.cc
index c8dfff9e92a..3f08710fd38 100644
--- a/src/nnet3/nnet-chain-training.cc
+++ b/src/nnet3/nnet-chain-training.cc
@@ -186,7 +186,8 @@ void NnetChainTrainer::UpdateParamsWithMaxChange() {
         component_name_with_min_scale = delta_nnet_->GetComponentName(c);
         max_change_with_min_scale = max_param_change_per_comp;
       }
-      param_delta_squared += std::pow(scale_factors(i), 2.0) * dot_prod;
+      param_delta_squared += std::pow(scale_factors(i), 
+                                      static_cast<BaseFloat>(2.0)) * dot_prod;
       i++;
     }
   }
diff --git a/src/nnet3/nnet-training.cc b/src/nnet3/nnet-training.cc
index 7251e4bc54b..87d64e27871 100644
--- a/src/nnet3/nnet-training.cc
+++ b/src/nnet3/nnet-training.cc
@@ -136,7 +136,8 @@ void NnetTrainer::UpdateParamsWithMaxChange() {
         component_name_with_min_scale = delta_nnet_->GetComponentName(c);
         max_change_with_min_scale = max_param_change_per_comp;
       }
-      param_delta_squared += std::pow(scale_factors(i), 2.0) * dot_prod;
+      param_delta_squared += std::pow(scale_factors(i),
+                                      static_cast<BaseFloat>(2.0)) * dot_prod;
       i++;
     }
   }