diff --git a/source/AStack.cpp b/source/AStack.cpp
index 18daf2b..db61e43 100644
--- a/source/AStack.cpp
+++ b/source/AStack.cpp
@@ -171,7 +171,7 @@ size_t AStack::loadTrainingBatch(const std::string &dir, bool doNormalize)
 {
 	std::string filename = dir + "/" + m_name + ".training.dat";
 	std::string path = dir + "/" + m_name + ".training.dat";
-	bool success = m_trainingBatch.load(filename, arma::arma_ascii);
+	bool success = m_trainingBatch.load(filename, arma::auto_detect);
 
 	if (success)
 	{