diff --git a/src/controllers/branch-user-controller.ts b/src/controllers/branch-user-controller.ts
index 2d8100c..4be9ac3 100644
--- a/src/controllers/branch-user-controller.ts
+++ b/src/controllers/branch-user-controller.ts
@@ -39,7 +39,7 @@ async function userBranchCodeGen(branch: Branch, user: User[]) {
           update: { value: { increment: 1 } },
         });
 
-        await prisma.user.update({
+        await tx.user.update({
           where: { id: usr.id },
           data: {
             code: `${last.key.slice(7)}${last.value.toString().padStart(4, "0")}`,