diff --git a/app/src/main/java/dev/ninjdai/balscanner/books/Book.kt b/app/src/main/java/dev/ninjdai/balscanner/books/Book.kt
index a988110..5868395 100644
--- a/app/src/main/java/dev/ninjdai/balscanner/books/Book.kt
+++ b/app/src/main/java/dev/ninjdai/balscanner/books/Book.kt
@@ -3,5 +3,5 @@ package dev.ninjdai.balscanner.books
 data class Book(val title: String, val author: String, val EAN: String, val owner: Owner, var price: Int)
 
 data class Owner(var firstName: String, var lastName: String, var contact: String) {
-    val id: String = if (firstName.isNotEmpty() && lastName.isNotEmpty()) firstName[0].toString().uppercase() + lastName[0].toString().uppercase() else ""
+    val id: String = if (firstName.isNotEmpty() && lastName.isNotEmpty()) lastName[0].toString().uppercase() + firstName[0].toString().uppercase() else ""
 }
\ No newline at end of file
diff --git a/app/src/main/java/dev/ninjdai/balscanner/ui/home/HomeFragment.java b/app/src/main/java/dev/ninjdai/balscanner/ui/home/HomeFragment.java
index 9227a3c..22c3cab 100644
--- a/app/src/main/java/dev/ninjdai/balscanner/ui/home/HomeFragment.java
+++ b/app/src/main/java/dev/ninjdai/balscanner/ui/home/HomeFragment.java
@@ -3,6 +3,7 @@ package dev.ninjdai.balscanner.ui.home;
 import android.annotation.SuppressLint;
 import android.app.Activity;
 import android.content.Context;
+import android.content.Intent;
 import android.net.Uri;
 import android.os.Bundle;
 import android.text.InputType;
@@ -23,6 +24,7 @@ import androidx.activity.result.contract.ActivityResultContracts;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.AlertDialog;
+import androidx.core.content.FileProvider;
 import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentActivity;
 import androidx.lifecycle.ViewModelProvider;
@@ -34,6 +36,7 @@ import com.journeyapps.barcodescanner.ScanOptions;
 import java.io.IOException;
 import java.io.OutputStream;
 import java.nio.charset.StandardCharsets;
+import java.text.Normalizer;
 import java.util.ArrayList;
 import java.util.Objects;
 
@@ -81,7 +84,7 @@ public class HomeFragment extends Fragment {
                 final EditText cInput = Util.getEditText(getActivity(),InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS);
                 Util.getEditTextAlertDialogBuilder(activity, "Contact", "Valider", cInput, (cDialog, cWhich) -> {
                     tmpOwner.setContact(cInput.getText().toString());
-                    Owner o = new Owner(tmpOwner.getFirstName().strip(), tmpOwner.getLastName().strip(), tmpOwner.getContact().strip());
+                    Owner o = new Owner(Normalizer.normalize(tmpOwner.getFirstName().strip(), Normalizer.Form.NFKD), Normalizer.normalize(tmpOwner.getLastName().strip(), Normalizer.Form.NFKD), tmpOwner.getContact().strip());
                     MainActivity.books.put(o, new ArrayList<>());
                     MainActivity.current_owner = o;
                     adapter.setmData(new ArrayList<>(MainActivity.books.keySet()));
@@ -124,9 +127,7 @@ public class HomeFragment extends Fragment {
             addOwner();
         });
         Button exportButton = view.findViewById(R.id.export_button);
-        exportButton.setOnClickListener(v -> {
-            documentCreator.launch("export.csv");
-        });
+        exportButton.setOnClickListener(v -> documentCreator.launch("BAL_export.csv"));
     }
 
     @Override
@@ -141,6 +142,10 @@ public class HomeFragment extends Fragment {
             return;
         }
         try {
+            if (getActivity()==null) {
+                Toast.makeText(getContext(), "Erreur: getActivity is null", Toast.LENGTH_LONG).show();
+                return;
+            }
             OutputStream stream = getActivity().getContentResolver().openOutputStream(result);
             if (stream==null) {
                 Toast.makeText(getContext(), "Erreur lors de l'ouverture du fichier", Toast.LENGTH_LONG).show();