diff --git a/src/main/java/hexlet/code/app/component/DataInitializer.java b/src/main/java/hexlet/code/app/component/DataInitializer.java
index c2e187d78..efa5b263d 100644
--- a/src/main/java/hexlet/code/app/component/DataInitializer.java
+++ b/src/main/java/hexlet/code/app/component/DataInitializer.java
@@ -3,6 +3,7 @@
 import hexlet.code.app.label.Label;
 import hexlet.code.app.label.LabelRepository;
 import hexlet.code.app.task.model.TaskStatus;
+import hexlet.code.app.task.repository.TaskRepository;
 import hexlet.code.app.task.repository.TaskStatusRepository;
 import hexlet.code.app.user.User;
 import hexlet.code.app.user.dto.UserCreateDTO;
@@ -26,11 +27,15 @@ public class DataInitializer implements ApplicationRunner {
     @Autowired
     private final LabelRepository labelRepository;
 
+    @Autowired
+    private final TaskRepository taskRepository;
+
     @Autowired
     private final UserMapper mapper;
 
     @Override
     public void run(ApplicationArguments args) throws Exception {
+        dbCleanup();
         initUser();
         initTaskStatuses(new String[]{"draft", "to_review", "to_be_fixed", "to_publish", "published"});
         initLabels(new String[]{"feature", "bug"});
@@ -60,4 +65,11 @@ private void initLabels(String[] defaults) {
             labelRepository.save(label);
         }
     }
+
+    private void dbCleanup() {
+        labelRepository.deleteAll();
+        statusRepository.deleteAll();
+        taskRepository.deleteAll();
+        userRepository.deleteAll();
+    }
 }
diff --git a/src/main/java/hexlet/code/app/label/LabelService.java b/src/main/java/hexlet/code/app/label/LabelService.java
index 8e96d80e0..1018504df 100644
--- a/src/main/java/hexlet/code/app/label/LabelService.java
+++ b/src/main/java/hexlet/code/app/label/LabelService.java
@@ -52,8 +52,8 @@ public LabelDTO update(Long id, LabelUpdateDTO data) {
 
     @Transactional
     public void delete(Long id) {
-        String label = repository.findById(id).orElseThrow(() -> new ResourceNotFoundException("Not found")).getName();
-        if (!taskRepository.findAllByLabel(label).isEmpty()) {
+        Long labelId = repository.findById(id).orElseThrow(() -> new ResourceNotFoundException("Not found")).getId();
+        if (!taskRepository.findAllByLabel(labelId).isEmpty()) {
             throw new UnableDeletionException("Label has active tasks");
         }
         repository.deleteById(id);
diff --git a/src/main/java/hexlet/code/app/task/model/Task.java b/src/main/java/hexlet/code/app/task/model/Task.java
index 3fe4a1e79..00e6bc4f7 100644
--- a/src/main/java/hexlet/code/app/task/model/Task.java
+++ b/src/main/java/hexlet/code/app/task/model/Task.java
@@ -12,7 +12,6 @@
 import jakarta.persistence.JoinTable;
 import jakarta.persistence.ManyToMany;
 import jakarta.persistence.ManyToOne;
-import jakarta.persistence.OneToOne;
 import jakarta.persistence.PrimaryKeyJoinColumn;
 import jakarta.persistence.Table;
 import jakarta.validation.constraints.NotBlank;
@@ -49,7 +48,7 @@ public class Task implements BaseEntity {
 
     private String description;
 
-    @OneToOne(fetch = FetchType.LAZY)
+    @ManyToOne(fetch = FetchType.LAZY)
     @JoinColumn(name = "task_status_id", referencedColumnName = "id")
     @ToString.Include
     private TaskStatus taskStatus;
diff --git a/src/main/java/hexlet/code/app/task/repository/TaskRepository.java b/src/main/java/hexlet/code/app/task/repository/TaskRepository.java
index fb9da8c50..4744b91db 100644
--- a/src/main/java/hexlet/code/app/task/repository/TaskRepository.java
+++ b/src/main/java/hexlet/code/app/task/repository/TaskRepository.java
@@ -13,10 +13,11 @@
 public interface TaskRepository extends JpaRepository<Task, Long>, JpaSpecificationExecutor<Task> {
     List<Task> findAllByTaskStatus(TaskStatus status);
 
-    @Query("""
-            select t from Task t
-            join Label l on
-            l.name like :label
-            """)
-    List<Task> findAllByLabel(String label);
+    @Query(value = """
+            select * from Tasks t
+            inner join TASK_LABELS tl on
+            tl.label_id = ?1
+            where tl.task_id = t.id
+            """, nativeQuery = true)
+    List<Task> findAllByLabel(Long labelId);
 }