diff --git a/dictation_server/src/repositories/accounts/entity/account.entity.ts b/dictation_server/src/repositories/accounts/entity/account.entity.ts
index 74a0a0a..7663f47 100644
--- a/dictation_server/src/repositories/accounts/entity/account.entity.ts
+++ b/dictation_server/src/repositories/accounts/entity/account.entity.ts
@@ -13,7 +13,7 @@ export class Account {
   @PrimaryGeneratedColumn()
   id: number;
 
-  @Column({ nullable: true, type: 'unsigned big int' })
+  @Column({ nullable: true, type: 'int' })
   parent_account_id: number | null;
 
   @Column()
@@ -34,13 +34,13 @@ export class Account {
   @Column({ default: false })
   verified: boolean;
 
-  @Column({ nullable: true, type: 'unsigned big int' })
+  @Column({ nullable: true, type: 'int' })
   primary_admin_user_id: number | null;
 
-  @Column({ nullable: true, type: 'unsigned big int' })
+  @Column({ nullable: true, type: 'int' })
   secondary_admin_user_id: number | null;
 
-  @Column({ nullable: true, type: 'unsigned big int' })
+  @Column({ nullable: true, type: 'int' })
   active_worktype_id: number | null;
 
   @Column({ nullable: true, type: 'datetime' })
diff --git a/dictation_server/src/repositories/checkout_permissions/entity/checkout_permission.entity.ts b/dictation_server/src/repositories/checkout_permissions/entity/checkout_permission.entity.ts
index 1269c1f..2ff148e 100644
--- a/dictation_server/src/repositories/checkout_permissions/entity/checkout_permission.entity.ts
+++ b/dictation_server/src/repositories/checkout_permissions/entity/checkout_permission.entity.ts
@@ -18,10 +18,10 @@ export class CheckoutPermission {
   @Column({})
   task_id: number;
 
-  @Column({ nullable: true, type: 'unsigned big int' })
+  @Column({ nullable: true, type: 'int' })
   user_id: number | null;
 
-  @Column({ nullable: true, type: 'unsigned big int' })
+  @Column({ nullable: true, type: 'int' })
   user_group_id: number | null;
 
   @OneToOne(() => User, (user) => user.id)
diff --git a/dictation_server/src/repositories/licenses/entity/license.entity.ts b/dictation_server/src/repositories/licenses/entity/license.entity.ts
index b8e2cd2..c3adf94 100644
--- a/dictation_server/src/repositories/licenses/entity/license.entity.ts
+++ b/dictation_server/src/repositories/licenses/entity/license.entity.ts
@@ -79,16 +79,16 @@ export class License {
   @Column()
   status: string;
 
-  @Column({ nullable: true, type: 'unsigned big int' })
+  @Column({ nullable: true, type: 'int' })
   allocated_user_id: number | null;
 
-  @Column({ nullable: true, type: 'unsigned big int' })
+  @Column({ nullable: true, type: 'int' })
   order_id: number | null;
 
   @Column({ nullable: true, type: 'datetime' })
   deleted_at: Date | null;
 
-  @Column({ nullable: true, type: 'unsigned big int' })
+  @Column({ nullable: true, type: 'int' })
   delete_order_id: number | null;
 
   @Column({ nullable: true, type: 'datetime' })
@@ -244,16 +244,16 @@ export class LicenseArchive {
   @Column()
   status: string;
 
-  @Column({ nullable: true, type: 'unsigned big int' })
+  @Column({ nullable: true, type: 'int' })
   allocated_user_id: number | null;
 
-  @Column({ nullable: true, type: 'unsigned big int' })
+  @Column({ nullable: true, type: 'int' })
   order_id: number | null;
 
   @Column({ nullable: true, type: 'datetime' })
   deleted_at: Date | null;
 
-  @Column({ nullable: true, type: 'unsigned big int' })
+  @Column({ nullable: true, type: 'int' })
   delete_order_id: number | null;
 
   @Column({ nullable: true, type: 'datetime' })
diff --git a/dictation_server/src/repositories/tasks/entity/task.entity.ts b/dictation_server/src/repositories/tasks/entity/task.entity.ts
index c734e1f..27da363 100644
--- a/dictation_server/src/repositories/tasks/entity/task.entity.ts
+++ b/dictation_server/src/repositories/tasks/entity/task.entity.ts
@@ -26,11 +26,11 @@ export class Task {
   audio_file_id: number;
   @Column()
   status: string;
-  @Column({ nullable: true, type: 'unsigned big int' })
+  @Column({ nullable: true, type: 'int' })
   typist_user_id: number | null;
   @Column()
   priority: string;
-  @Column({ nullable: true, type: 'unsigned big int' })
+  @Column({ nullable: true, type: 'int' })
   template_file_id: number | null;
   @Column({ nullable: true, type: 'datetime' })
   started_at: Date | null;
diff --git a/dictation_server/src/repositories/workflows/entity/workflow.entity.ts b/dictation_server/src/repositories/workflows/entity/workflow.entity.ts
index 6c51d96..52af3e2 100644
--- a/dictation_server/src/repositories/workflows/entity/workflow.entity.ts
+++ b/dictation_server/src/repositories/workflows/entity/workflow.entity.ts
@@ -24,10 +24,10 @@ export class Workflow {
   @Column()
   author_id: number;
 
-  @Column({ nullable: true, type: 'unsigned big int' })
+  @Column({ nullable: true, type: 'int' })
   worktype_id: number | null;
 
-  @Column({ nullable: true, type: 'unsigned big int' })
+  @Column({ nullable: true, type: 'int' })
   template_id: number | null;
 
   @Column({ nullable: true, type: 'datetime' })
diff --git a/dictation_server/src/repositories/workflows/entity/workflow_typists.entity.ts b/dictation_server/src/repositories/workflows/entity/workflow_typists.entity.ts
index f92d02e..31f8cbd 100644
--- a/dictation_server/src/repositories/workflows/entity/workflow_typists.entity.ts
+++ b/dictation_server/src/repositories/workflows/entity/workflow_typists.entity.ts
@@ -19,10 +19,10 @@ export class WorkflowTypist {
   @Column()
   workflow_id: number;
 
-  @Column({ nullable: true, type: 'unsigned big int' })
+  @Column({ nullable: true, type: 'int' })
   typist_id: number | null;
 
-  @Column({ nullable: true, type: 'unsigned big int' })
+  @Column({ nullable: true, type: 'int' })
   typist_group_id: number | null;
 
   @Column({ nullable: true, type: 'datetime' })