diff --git a/src/pages/api/category/index.ts b/src/pages/api/category/index.ts
index a2b7436..177ba9d 100644
--- a/src/pages/api/category/index.ts
+++ b/src/pages/api/category/index.ts
@@ -25,7 +25,7 @@ async function createCategory({ req, res, user }) {
     throw new Error('Category name already used');
   }
 
-  const { id: lastCategoryId } = await prisma.category.findFirst({
+  const lastCategory = await prisma.category.findFirst({
     where: {
       authorId: user.id,
       nextId: null,
@@ -39,14 +39,16 @@ async function createCategory({ req, res, user }) {
     data: { name, authorId: user.id },
   });
 
-  await prisma.category.update({
-    where: {
-      id: lastCategoryId,
-    },
-    data: {
-      nextId: categoryCreated.id,
-    },
-  });
+  if (lastCategory) {
+    await prisma.category.update({
+      where: {
+        id: lastCategory.id,
+      },
+      data: {
+        nextId: categoryCreated.id,
+      },
+    });
+  }
 
   return res.status(200).send({
     success: 'Category successfully created',