diff --git a/src/controllers/user.ts b/src/controllers/user.ts
index 56f4037..5b59f6f 100644
--- a/src/controllers/user.ts
+++ b/src/controllers/user.ts
@@ -219,7 +219,7 @@ export class UserController {
 				.setParameters(subquery.getParameters())
 				.leftJoinAndSelect("User.roles", "roles")
 				.leftJoinAndSelect("roles.application", "application")
-				.where("User.is_doctor = :is_doctor", { is_doctor: true })
+				.where("roles.is_doctor = :is_doctor", { is_doctor: 'true' })
 				.orderBy("User." + param.order_field, param.order_direction)
 				.distinct(true);