diff --git a/src/Models/News.php b/src/Models/News.php
index 2ccb4114..131edd08 100644
--- a/src/Models/News.php
+++ b/src/Models/News.php
@@ -42,10 +42,17 @@ class News extends BaseModel
 
     /** @var array */
     protected $casts = [
+        'user_id'    => 'integer',
         'is_meeting' => 'boolean',
         'is_pinned'  => 'boolean',
     ];
 
+    /** @var array Default attributes */
+    protected $attributes = [
+        'is_meeting' => false,
+        'is_pinned'  => false,
+    ];
+
     /** @var array */
     protected $fillable = [
         'title',
diff --git a/src/Models/NewsComment.php b/src/Models/NewsComment.php
index 5adc5498..e0ccedb4 100644
--- a/src/Models/NewsComment.php
+++ b/src/Models/NewsComment.php
@@ -34,6 +34,12 @@ class NewsComment extends BaseModel
     /** @var bool Enable timestamps */
     public $timestamps = true;
 
+    /** @var string[] */
+    protected $casts = [
+        'user_id' => 'integer',
+        'news_id' => 'integer',
+    ];
+
     /** @var string[] */
     protected $fillable = [
         'news_id',
diff --git a/src/Models/OAuth.php b/src/Models/OAuth.php
index ad1e9fc8..f0d1fb37 100644
--- a/src/Models/OAuth.php
+++ b/src/Models/OAuth.php
@@ -34,6 +34,11 @@ class OAuth extends BaseModel
     /** @var bool Enable timestamps */
     public $timestamps = true;
 
+    /** @var string[] */
+    protected $casts = [
+        'user_id' => 'integer',
+    ];
+
     /** @var string[] */
     protected $dates = [
         'expires_at',
diff --git a/src/Models/Shifts/Schedule.php b/src/Models/Shifts/Schedule.php
index 9c718a25..9e478c02 100644
--- a/src/Models/Shifts/Schedule.php
+++ b/src/Models/Shifts/Schedule.php
@@ -37,6 +37,13 @@ class Schedule extends BaseModel
     /** @var bool enable timestamps */
     public $timestamps = true;
 
+    /** @var string[] */
+    protected $casts = [
+        'shift_type'     => 'integer',
+        'minutes_before' => 'integer',
+        'minutes_after'  => 'integer',
+    ];
+
     /** @var array Values that are mass assignable */
     protected $fillable = [
         'name',
diff --git a/src/Models/Shifts/ScheduleShift.php b/src/Models/Shifts/ScheduleShift.php
index 368c60b1..8bfd726b 100644
--- a/src/Models/Shifts/ScheduleShift.php
+++ b/src/Models/Shifts/ScheduleShift.php
@@ -28,6 +28,12 @@ class ScheduleShift extends BaseModel
     /** @var array Values that are mass assignable */
     protected $fillable = ['shift_id', 'schedule_id', 'guid'];
 
+    /** @var array */
+    protected $casts = [
+        'shift_id'    => 'integer',
+        'schedule_id' => 'integer',
+    ];
+
     /**
      * @return BelongsTo
      */
diff --git a/src/Models/User/HasUserModel.php b/src/Models/User/HasUserModel.php
index 2b7fdda9..47fbd14d 100644
--- a/src/Models/User/HasUserModel.php
+++ b/src/Models/User/HasUserModel.php
@@ -16,6 +16,11 @@ abstract class HasUserModel extends BaseModel
         'user_id',
     ];
 
+    /** @var string[] */
+    protected $casts = [
+        'user_id' => 'integer',
+    ];
+
     /** The relationships that should be touched on save */
     protected $touches = ['user'];
 }
diff --git a/src/Models/User/State.php b/src/Models/User/State.php
index 10576e27..d6ffbfc1 100644
--- a/src/Models/User/State.php
+++ b/src/Models/User/State.php
@@ -28,13 +28,18 @@ class State extends HasUserModel
     /** @var string The table associated with the model */
     protected $table = 'users_state';
 
-    /** @var array The attributes that should be mutated to dates */
-    protected $dates = [
-        'arrival_date',
+    /** @var array Default attributes */
+    protected $attributes = [
+        'arrived'      => false,
+        'active'       => false,
+        'force_active' => false,
+        'got_shirt'    => false,
+        'got_voucher'  => 0,
     ];
 
     /** @var array */
     protected $casts = [
+        'user_id'      => 'integer',
         'arrived'      => 'boolean',
         'active'       => 'boolean',
         'force_active' => 'boolean',
@@ -42,6 +47,11 @@ class State extends HasUserModel
         'got_voucher'  => 'integer',
     ];
 
+    /** @var array The attributes that should be mutated to dates */
+    protected $dates = [
+        'arrival_date',
+    ];
+
     /** The attributes that are mass assignable */
     protected $fillable = [
         'user_id',
diff --git a/src/Models/User/UsesUserModel.php b/src/Models/User/UsesUserModel.php
index 5d07589a..f0309816 100644
--- a/src/Models/User/UsesUserModel.php
+++ b/src/Models/User/UsesUserModel.php
@@ -15,6 +15,7 @@ use Illuminate\Database\Query\Builder as QueryBuilder;
 trait UsesUserModel
 {
     // protected $fillable = ['user_id'];
+    // protected $casts = ['user_id' => 'integer];
 
     /**
      * @return BelongsTo
diff --git a/src/Models/Worklog.php b/src/Models/Worklog.php
index 290b3da3..3d9cf12a 100644
--- a/src/Models/Worklog.php
+++ b/src/Models/Worklog.php
@@ -43,6 +43,7 @@ class Worklog extends BaseModel
     protected $casts = [
         'user_id'    => 'integer',
         'creator_id' => 'integer',
+        'hours'      => 'float',
     ];
 
     /** The attributes that are mass assignable. */