diff --git a/statistics/statisticsservice/statistics-service.js b/statistics/statisticsservice/statistics-service.js
index 33387251..e613030a 100644
--- a/statistics/statisticsservice/statistics-service.js
+++ b/statistics/statisticsservice/statistics-service.js
@@ -63,9 +63,16 @@ app.post('/addStatistic', async (req, res) => {
       try {
         const users = await Statistic.find(); // Obtener todos los usuarios
         const rankedUsers = users.map(user => {
-          const accuracy = (user.rigthAnswers / (user.gamesPlayed*10)) * 100; // Calcular porcentaje de aciertos
-          const roundedAccuracy = accuracy % 1 === 0 ? accuracy : accuracy.toFixed(2); // Redondear solo si tiene decimales
+          let roundedAccuracy;
+          if(user.wrongAnswers === 0 & user.rigthAnswers !=0) return { username: user.username, accuracy: 100 }; // Evitar división por cero (no se han jugado partidas
+          const accuracy = (user.rigthAnswers / (user.wrongAnswers + user.rigthAnswers )) * 100; // Calcular porcentaje de aciertos
+          if (isNaN(accuracy)) {
+            roundedAccuracy = 0; // Asignar 0 si accuracy es NaN
+        } else {
+           roundedAccuracy = accuracy % 1 === 0 ? accuracy : accuracy.toFixed(2); // Redondear solo si tiene decimales
+        }
           return { username: user.username, accuracy: roundedAccuracy }; // Crear objeto con nombre de usuario y porcentaje de aciertos redondeado si es necesario
+       
         });
         const sortedRanking = rankedUsers.sort((a, b) => b.accuracy - a.accuracy); // Ordenar usuarios por porcentaje de aciertos
         res.json(sortedRanking); // Devolver ranking ordenado
diff --git a/statistics/statisticsservice/statistics-service.test.js b/statistics/statisticsservice/statistics-service.test.js
index 5b863285..504e6b9e 100644
--- a/statistics/statisticsservice/statistics-service.test.js
+++ b/statistics/statisticsservice/statistics-service.test.js
@@ -110,16 +110,16 @@ describe('GET /ranking/accuracy', () => {
     expect(response.status).toBe(200);
 
     // Verificar el cuerpo de la respuesta para testuser
-    expect(response.body[0]).toHaveProperty('username', 'testuser');
+    expect(response.body[0]).toHaveProperty('username', 'user1');
     expect(response.body[0]).toHaveProperty('accuracy', 100); 
 
     // Verificar el cuerpo de la respuesta para user1
-    expect(response.body[1]).toHaveProperty('username', 'user1');
-    expect(response.body[1]).toHaveProperty('accuracy', 8);
+    expect(response.body[1]).toHaveProperty('username', 'user2');
+    expect(response.body[1]).toHaveProperty('accuracy', 100);
 
     // Verificar el cuerpo de la respuesta para user2
-    expect(response.body[2]).toHaveProperty('username', 'user2');
-    expect(response.body[2]).toHaveProperty('accuracy', '7.50'); 
+    expect(response.body[2]).toHaveProperty('username', 'testuser');
+    expect(response.body[2]).toHaveProperty('accuracy', '71.43'); 
   });
 
 
diff --git a/webapp/package-lock.json b/webapp/package-lock.json
index b17b8793..dbad338c 100644
--- a/webapp/package-lock.json
+++ b/webapp/package-lock.json
@@ -5,6 +5,7 @@
   "requires": true,
   "packages": {
     "": {
+      "name": "webapp",
       "version": "0.1.0",
       "dependencies": {
         "@emotion/react": "^11.11.3",
diff --git a/webapp/src/components/Navbar.js b/webapp/src/components/Navbar.js
index 55b14635..0ff86ab9 100644
--- a/webapp/src/components/Navbar.js
+++ b/webapp/src/components/Navbar.js
@@ -32,7 +32,7 @@ const Navbar = () => {
 
             <li className="nav-item">
               <NavLink to={process.env.RUTA_LOGIN || '/login'} className="nav__link">
-                Login
+                Logout
               </NavLink>
             </li>