diff --git a/storage/postgresql.go b/storage/postgresql.go
index e59884a..5804e13 100644
--- a/storage/postgresql.go
+++ b/storage/postgresql.go
@@ -138,7 +138,10 @@ func (psql PostgresqlStorage) CreateAccount(account Account) error {
 }
 
 func (psql PostgresqlStorage) UpdateAccount(account Account) error {
-	updateAccountStmt := "update accounts set namespace=$1, data=$2,  metadata=$3 where id= $4"
+	updateAccountStmt, err := psql.DbConnection.Prepare("update accounts set namespace=$1, data=$2,  metadata=$3 where id= $4")
+	if err != nil {
+		return err
+	}
 	dataAccountJson, err := json.Marshal(account.Data)
 	if err != nil {
 		return err
@@ -147,11 +150,14 @@ func (psql PostgresqlStorage) UpdateAccount(account Account) error {
 	if err != nil {
 		return err
 	}
-	_, err = psql.DbConnection.Exec(updateAccountStmt, account.Namespace, dataAccountJson, metadataAccountJson, account.ID)
+	_, err = updateAccountStmt.Exec(account.Namespace, dataAccountJson, metadataAccountJson, account.ID)
+	if err != nil {
+		return err
+	}
+	updateAccountAuthStmt, err := psql.DbConnection.Prepare("update account_auth set username = $1, password = $2, email = $3, email_validation = $4 ,phone_number = $5,phone_number_validation = $6 where account_id = $7")
 	if err != nil {
 		return err
 	}
-	updateAccountAuthStmt := "update account_auth set username = $1, password = $2, email = $3, email_validation = $4 ,phone_number = $5,phone_number_validation = $6 where account_id = $7"
 	emailValidationJson, err := json.Marshal(account.Authentication.Local.EmailValidation)
 	if err != nil {
 		return err
@@ -160,7 +166,7 @@ func (psql PostgresqlStorage) UpdateAccount(account Account) error {
 	if err != nil {
 		return err
 	}
-	_, err = psql.DbConnection.Exec(updateAccountAuthStmt, account.Authentication.Local.Username, account.Authentication.Local.Password, account.Authentication.Local.Email,
+	_, err = updateAccountAuthStmt.Exec(account.Authentication.Local.Username, account.Authentication.Local.Password, account.Authentication.Local.Email,
 		emailValidationJson, account.Authentication.Local.PhoneNumber, phoneValidationJson, account.ID)
 	if err != nil {
 		return err