diff --git a/src/learn/learner.cpp b/src/learn/learner.cpp
index 85da2ac3..b5821395 100644
--- a/src/learn/learner.cpp
+++ b/src/learn/learner.cpp
@@ -1002,6 +1002,9 @@ void gen_sfen(Position&, istringstream& is)
 		<< "  save_every             = " << save_every << endl
 		<< "  random_file_name       = " << random_file_name << endl;
 
+	// Show if the training data generator uses NNUE.
+	Eval::verify_NNUE();
+
 	// Create and execute threads as many as Options["Threads"].
 	{
 		SfenWriter sw(output_file_name, thread_num);