diff --git a/server/entities/SprinklersDevice.ts b/server/entities/SprinklersDevice.ts
index 42ab082..0499313 100644
--- a/server/entities/SprinklersDevice.ts
+++ b/server/entities/SprinklersDevice.ts
@@ -14,7 +14,7 @@ export class SprinklersDevice implements ISprinklersDevice {
   @Column()
   name: string = "";
 
-  @ManyToMany(type => User)
+  @ManyToMany(type => User, user => user.devices)
   users: User[] | undefined;
 
   constructor(data?: Partial<SprinklersDevice>) {
diff --git a/server/entities/User.ts b/server/entities/User.ts
index 4318ef1..bc2d701 100644
--- a/server/entities/User.ts
+++ b/server/entities/User.ts
@@ -29,7 +29,7 @@ export class User implements IUser {
   @Column()
   passwordHash: string = "";
 
-  @ManyToMany(type => SprinklersDevice)
+  @ManyToMany(type => SprinklersDevice, device => device.users)
   @JoinTable({ name: "user_sprinklers_device" })
   devices: SprinklersDevice[] | undefined;