diff --git a/example_main b/example_main
index c804300d49a0b24747fb0270fa1e4d2f293974d1..f95e06fe8fc1404e8856f8cfbc959f8b101238ac 100755
Binary files a/example_main and b/example_main differ
diff --git a/example_main.cc b/example_main.cc
index 374736ba1453b28bb84ca99b1c14999fa0792e9b..f590ffda220b3de9e7e82b99362974bb68ed081c 100644
--- a/example_main.cc
+++ b/example_main.cc
@@ -25,12 +25,12 @@ int main(int argc, char *argv[]) {
 	mat yDef;
 	file2mat("yDef.txt",yDef);
 	cout << yDef << endl;
-	
+	cout << yDef.n_rows << endl;
 	
 	mat yCorr;
 	//mat yCorr = file2mat("yCorr.txt");
 	
-	cout << yDef.n_rows << endl;
+	
 	//cout << yCorr.n_rows << endl;
 	
 	
diff --git a/file2mat.cc b/file2mat.cc
index 734bfe10ae5c2c45b0b4f65b1d71449e934c4a89..28c6da79f49203caa3f02d4659d8d42332ef1344 100644
--- a/file2mat.cc
+++ b/file2mat.cc
@@ -6,7 +6,7 @@ using namespace arma;
 using namespace std;
 
 
-mat file2mat(const string& filename, mat& y) {
+void file2mat(const string& filename, mat& y) {
 	mat yTemp;
 	yTemp.load(filename, raw_ascii);
 
diff --git a/file2mat.h b/file2mat.h
index 626b8fafa11e24c93e6d5e4a8d93f6164d445d8c..f5253e68313eb35daa74000d102f847ce84a5009 100644
--- a/file2mat.h
+++ b/file2mat.h
@@ -4,6 +4,6 @@ using namespace arma;
 #define FILE2MAT_H
 using namespace std;
 using namespace arma;
-mat file2mat(const string& filename, mat& y);
+void file2mat(const string& filename, mat& y);
 
 #endif