diff --git a/app/Models/AutomationRule.php b/app/Models/AutomationRule.php
index 899a7bad..08153311 100644
--- a/app/Models/AutomationRule.php
+++ b/app/Models/AutomationRule.php
@@ -34,6 +34,11 @@ class AutomationRule extends Model
         'action_note_iv',
     ];
 
+    /** @var list<string> */
+    protected $hidden = [
+        'space_id',
+    ];
+
     protected function casts(): array
     {
         return [
diff --git a/app/Models/BankingConnection.php b/app/Models/BankingConnection.php
index 26cc58b7..eea236cb 100644
--- a/app/Models/BankingConnection.php
+++ b/app/Models/BankingConnection.php
@@ -54,6 +54,7 @@ class BankingConnection extends Model
     ];
 
     protected $hidden = [
+        'space_id',
         'api_token',
         'api_secret',
         'pending_accounts_data',
diff --git a/app/Models/Budget.php b/app/Models/Budget.php
index 6b405e50..cad0a537 100644
--- a/app/Models/Budget.php
+++ b/app/Models/Budget.php
@@ -34,6 +34,7 @@ class Budget extends Model
     /** @var list<string> */
     protected $hidden = [
         'period_duration',
+        'space_id',
     ];
 
     protected function casts(): array
diff --git a/app/Models/Label.php b/app/Models/Label.php
index 07ba5c45..92282596 100644
--- a/app/Models/Label.php
+++ b/app/Models/Label.php
@@ -31,6 +31,7 @@ class Label extends Model
      */
     protected $hidden = [
         'pivot',
+        'space_id',
     ];
 
     /** @return BelongsTo<User, $this> */
diff --git a/app/Services/Banking/TransactionSyncService.php b/app/Services/Banking/TransactionSyncService.php
index c6292ea1..71fec337 100644
--- a/app/Services/Banking/TransactionSyncService.php
+++ b/app/Services/Banking/TransactionSyncService.php
@@ -115,6 +115,7 @@ class TransactionSyncService
         try {
             $account->transactions()->create([
                 'user_id' => $account->user_id,
+                'space_id' => $account->space_id,
                 'description' => $formatted['description'],
                 'description_iv' => null,
                 'original_description' => $formatted['original_description'],
diff --git a/app/Services/Banking/WiseTransactionSyncService.php b/app/Services/Banking/WiseTransactionSyncService.php
index a04c449d..a280ccc3 100644
--- a/app/Services/Banking/WiseTransactionSyncService.php
+++ b/app/Services/Banking/WiseTransactionSyncService.php
@@ -166,6 +166,7 @@ class WiseTransactionSyncService
         try {
             $account->transactions()->create([
                 'user_id' => $account->user_id,
+                'space_id' => $account->space_id,
                 'description' => $parsed['description'],
                 'description_iv' => null,
                 'original_description' => $parsed['description'],