diff --git a/source/Layer.hpp b/source/Layer.hpp
index 9ae4fc6..33adf6f 100644
--- a/source/Layer.hpp
+++ b/source/Layer.hpp
@@ -58,7 +58,7 @@ public:
 		return m_bh.n_elem;
 	}
 private:
-	const std::string &m_name;
+	std::string m_name;
 	std::string m_weightsFile;
 	size_t m_id;
 	size_t m_numVisibleX;
diff --git a/source/Stack.cpp b/source/Stack.cpp
index b8423f8..5c4928f 100644
--- a/source/Stack.cpp
+++ b/source/Stack.cpp
@@ -15,14 +15,14 @@
 
 using namespace std;
 
-Stack::Stack(const std::string &prjname)
-: m_prjname(prjname)
+Stack::Stack(const std::string &name)
+: m_name(name)
 , m_pLayers(nullptr)
 {
 }
 
 Stack::Stack(const Stack& orig)
-: m_prjname(orig.m_prjname)
+: m_name(orig.m_name)
 , m_pLayers(orig.m_pLayers)
 {
 }
@@ -78,8 +78,8 @@ Layer* Stack::getLayer(size_t layerId) const
 
 bool Stack::load()
 {
-	std::cout << "Importing Project " << m_prjname << std::endl;
-	ifstream ifs(m_prjname + string(".prj"));
+	std::cout << "Importing Project " << m_name << std::endl;
+	ifstream ifs(m_name + string(".prj"));
 	
 	Json::Reader reader;
 	Json::Value project;
@@ -106,12 +106,12 @@ bool Stack::load()
 
 bool Stack::save()
 {
-	std::cout << "Exporting Project " << m_prjname << std::endl;
-	ofstream ofs(m_prjname + string(".prj"));
+	std::cout << "Exporting Project " << m_name << std::endl;
+	ofstream ofs(m_name + string(".prj"));
 	
 	Json::StyledWriter writer;
 	Json::Value project;
-	project["stack"]["name"] = m_prjname;
+	project["stack"]["name"] = m_name;
 	
 	Json::Value layers(Json::arrayValue);
 	Layer *pLayer = m_pLayers;
@@ -142,7 +142,7 @@ bool Stack::loadWeights()
 	Layer *pLayer = m_pLayers;
 	while(pLayer)
 	{
-		if (!pLayer->loadWeights(m_prjname))
+		if (!pLayer->loadWeights(m_name))
 		{
 			return false;
 		}
@@ -156,7 +156,7 @@ bool Stack::saveWeights()
 	Layer *pLayer = m_pLayers;
 	while(pLayer)
 	{
-		if (!pLayer->saveWeights(m_prjname))
+		if (!pLayer->saveWeights(m_name))
 		{
 			return false;
 		}
@@ -191,7 +191,7 @@ void Stack::train(size_t layerId, const arma::mat& batch, Rbm::IListener* pListe
 	
 	if (pLayer)
 	{
-		std::cout << m_prjname << ": " << " Training of layer " << std::to_string(layerId) << std::endl;
+		std::cout << m_name << ": " << " Training of layer " << std::to_string(layerId) << std::endl;
 		pLayer->train(thisBatch, pListener);
 	}
 }
diff --git a/source/Stack.hpp b/source/Stack.hpp
index 3d32ffd..4bf5159 100644
--- a/source/Stack.hpp
+++ b/source/Stack.hpp
@@ -23,7 +23,7 @@
 class Stack
 {
 public:
-	Stack(const std::string &prjname);
+	Stack(const std::string &name);
 	Stack(const Stack& orig);
 	virtual ~Stack();
 	
@@ -46,7 +46,7 @@ public:
 	size_t numLayers();
 	
 private:
-	const std::string &m_prjname;
+	std::string m_name;
 	Layer *m_pLayers;
 	
 };