diff --git a/src/modules/user/user_providers.rs b/src/modules/user/user_providers.rs
index 729f2de..abd4235 100644
--- a/src/modules/user/user_providers.rs
+++ b/src/modules/user/user_providers.rs
@@ -3,12 +3,12 @@ use crate::utils::{
 };
 use actix_web::{web::Data, HttpResponse};
 use deadpool_postgres::Pool;
-use sql_builder::SqlBuilder;
+use sql_builder::{quote, SqlBuilder};
 
 pub async fn email_exists(pg_pool: Data<Pool>, email: String) -> Result<(), HttpResponse> {
     let mut sql_builder = SqlBuilder::select_from("users");
     sql_builder.field("id");
-    sql_builder.or_where_eq("email", email.clone());
+    sql_builder.or_where_eq("email", &quote(email.clone()));
 
     let rows = match query_constructor_executor(pg_pool, sql_builder).await {
         Ok(x) => x,
@@ -31,7 +31,7 @@ pub async fn email_exists(pg_pool: Data<Pool>, email: String) -> Result<(), Http
 pub async fn email_not_exists(pg_pool: Data<Pool>, email: String) -> Result<(), HttpResponse> {
     let mut sql_builder = SqlBuilder::select_from("users");
     sql_builder.field("id");
-    sql_builder.or_where_eq("email", email.clone());
+    sql_builder.or_where_eq("email", &quote(email.clone()));
 
     let rows = match query_constructor_executor(pg_pool, sql_builder).await {
         Ok(x) => x,
diff --git a/src/modules/user/user_queues.rs b/src/modules/user/user_queues.rs
index fb262f3..16d75ea 100644
--- a/src/modules/user/user_queues.rs
+++ b/src/modules/user/user_queues.rs
@@ -110,7 +110,7 @@ async fn put_user_queue(pool: Pool, queue: Arc<PutUserAppQueue>) -> Result<(), H
         sql_builder.set("password", &quote(user.new_password.clone()));
         sql_builder.set("email", &quote(user.new_email.clone()));
         sql_builder.set("updated_at", &quote(updated_at));
-        sql_builder.or_where_eq("id", user_id);
+        sql_builder.or_where_eq("id", &quote(user_id));
 
         let mut this_sql = match sql_builder.sql() {
             Ok(x) => x,
@@ -171,7 +171,7 @@ async fn delete_user_queue(pool: Pool, queue: Arc<DeleteUserAppQueue>) -> Result
         let user_id = queue.pop().await;
 
         let mut sql_builder = SqlBuilder::delete_from("salt");
-        sql_builder.or_where_eq("user_id", user_id.clone());
+        sql_builder.or_where_eq("user_id", &quote(user_id.clone()));
 
         let mut this_sql = match sql_builder.sql() {
             Ok(x) => x,
@@ -181,7 +181,7 @@ async fn delete_user_queue(pool: Pool, queue: Arc<DeleteUserAppQueue>) -> Result
         salt_sql.push_str(&this_sql);
 
         let mut sql_builder = SqlBuilder::delete_from("users");
-        sql_builder.or_where_eq("id", user_id);
+        sql_builder.or_where_eq("id", &quote(user_id));
 
         let mut this_sql = match sql_builder.sql() {
             Ok(x) => x,
diff --git a/src/modules/user/user_repositories.rs b/src/modules/user/user_repositories.rs
index e400747..006b431 100644
--- a/src/modules/user/user_repositories.rs
+++ b/src/modules/user/user_repositories.rs
@@ -12,6 +12,7 @@ use actix_web::{
     web::{Data, Json, Query},
     HttpResponse,
 };
+use sql_builder::quote;
 use std::sync::Arc;
 
 fn user_dto_constructor(rows: Vec<postgres::Row>) -> UserDTO {
@@ -35,7 +36,7 @@ pub async fn get_user_salt_repository(
 ) -> Result<String, HttpResponse> {
     let mut sql_builder = sql_builder::SqlBuilder::select_from("salt");
     sql_builder.field("salt");
-    sql_builder.or_where_eq("user_id", user_id);
+    sql_builder.or_where_eq("user_id", &quote(user_id));
 
     let rows = match query_constructor_executor(pg_pool, sql_builder).await {
         Ok(x) => x,
@@ -85,7 +86,7 @@ pub async fn login_user_repository(
     pg_pool: Data<deadpool_postgres::Pool>,
 ) -> Result<UserDTO, HttpResponse> {
     let mut sql_builder = sql_builder::SqlBuilder::select_from("users");
-    sql_builder.or_where_eq("email", email.clone());
+    sql_builder.or_where_eq("email", &quote(email.clone()));
 
     let rows = match query_constructor_executor(pg_pool, sql_builder).await {
         Ok(x) => x,
@@ -111,7 +112,7 @@ pub async fn detail_user_repository(
     user_id: String,
 ) -> Result<UserDTO, HttpResponse> {
     let mut sql_builder = sql_builder::SqlBuilder::select_from("users");
-    sql_builder.or_where_eq("id", user_id);
+    sql_builder.or_where_eq("id", &quote(user_id));
 
     let rows = match query_constructor_executor(pg_pool, sql_builder).await {
         Ok(x) => x,