diff --git a/src/Jenssegers/Mongodb/Relations/BelongsTo.php b/src/Jenssegers/Mongodb/Relations/BelongsTo.php
index 78b5d63be..457e6bc1f 100644
--- a/src/Jenssegers/Mongodb/Relations/BelongsTo.php
+++ b/src/Jenssegers/Mongodb/Relations/BelongsTo.php
@@ -3,6 +3,7 @@
 namespace Jenssegers\Mongodb\Relations;
 
 use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Model as EloquentModel;
 
 class BelongsTo extends \Illuminate\Database\Eloquent\Relations\BelongsTo
 {
@@ -59,4 +60,16 @@ public function getOwnerKey()
     {
         return property_exists($this, 'ownerKey') ? $this->ownerKey : $this->otherKey;
     }
+
+    /**
+     * Get the name of the "where in" method for eager loading.
+     *
+     * @param  \Illuminate\Database\Eloquent\Model  $model
+     * @param  string  $key
+     * @return string
+     */
+    protected function whereInMethod(EloquentModel $model, $key)
+    {
+        return 'whereIn';
+    }
 }
diff --git a/src/Jenssegers/Mongodb/Relations/BelongsToMany.php b/src/Jenssegers/Mongodb/Relations/BelongsToMany.php
index 73816b049..0e1b5280b 100644
--- a/src/Jenssegers/Mongodb/Relations/BelongsToMany.php
+++ b/src/Jenssegers/Mongodb/Relations/BelongsToMany.php
@@ -7,6 +7,7 @@
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsToMany as EloquentBelongsToMany;
 use Illuminate\Support\Arr;
+use Illuminate\Database\Eloquent\Model as EloquentModel;
 
 class BelongsToMany extends EloquentBelongsToMany
 {
@@ -337,4 +338,16 @@ public function getRelatedKey()
     {
         return property_exists($this, 'relatedPivotKey') ? $this->relatedPivotKey : $this->relatedKey;
     }
+
+    /**
+     * Get the name of the "where in" method for eager loading.
+     *
+     * @param  \Illuminate\Database\Eloquent\Model  $model
+     * @param  string  $key
+     * @return string
+     */
+    protected function whereInMethod(EloquentModel $model, $key)
+    {
+        return 'whereIn';
+    }
 }
diff --git a/src/Jenssegers/Mongodb/Relations/EmbedsMany.php b/src/Jenssegers/Mongodb/Relations/EmbedsMany.php
index b0e40893d..825b0d594 100644
--- a/src/Jenssegers/Mongodb/Relations/EmbedsMany.php
+++ b/src/Jenssegers/Mongodb/Relations/EmbedsMany.php
@@ -7,6 +7,7 @@
 use Illuminate\Pagination\LengthAwarePaginator;
 use Illuminate\Pagination\Paginator;
 use MongoDB\BSON\ObjectID;
+use Illuminate\Database\Eloquent\Model as EloquentModel;
 
 class EmbedsMany extends EmbedsOneOrMany
 {
@@ -328,4 +329,16 @@ public function __call($method, $parameters)
 
         return parent::__call($method, $parameters);
     }
+
+    /**
+     * Get the name of the "where in" method for eager loading.
+     *
+     * @param  \Illuminate\Database\Eloquent\Model  $model
+     * @param  string  $key
+     * @return string
+     */
+    protected function whereInMethod(EloquentModel $model, $key)
+    {
+        return 'whereIn';
+    }
 }
diff --git a/src/Jenssegers/Mongodb/Relations/EmbedsOne.php b/src/Jenssegers/Mongodb/Relations/EmbedsOne.php
index 2efbfe1df..4640bdeb1 100644
--- a/src/Jenssegers/Mongodb/Relations/EmbedsOne.php
+++ b/src/Jenssegers/Mongodb/Relations/EmbedsOne.php
@@ -4,6 +4,7 @@
 
 use Illuminate\Database\Eloquent\Model;
 use MongoDB\BSON\ObjectID;
+use Illuminate\Database\Eloquent\Model as EloquentModel;
 
 class EmbedsOne extends EmbedsOneOrMany
 {
@@ -136,4 +137,16 @@ public function delete()
     {
         return $this->performDelete();
     }
+
+    /**
+     * Get the name of the "where in" method for eager loading.
+     *
+     * @param  \Illuminate\Database\Eloquent\Model  $model
+     * @param  string  $key
+     * @return string
+     */
+    protected function whereInMethod(EloquentModel $model, $key)
+    {
+        return 'whereIn';
+    }
 }
diff --git a/src/Jenssegers/Mongodb/Relations/EmbedsOneOrMany.php b/src/Jenssegers/Mongodb/Relations/EmbedsOneOrMany.php
index a8f90544d..177160bf1 100644
--- a/src/Jenssegers/Mongodb/Relations/EmbedsOneOrMany.php
+++ b/src/Jenssegers/Mongodb/Relations/EmbedsOneOrMany.php
@@ -6,6 +6,7 @@
 use Illuminate\Database\Eloquent\Collection;
 use Illuminate\Database\Eloquent\Relations\Relation;
 use Jenssegers\Mongodb\Eloquent\Model;
+use Illuminate\Database\Eloquent\Model as EloquentModel;
 
 abstract class EmbedsOneOrMany extends Relation
 {
@@ -403,4 +404,16 @@ public function getQualifiedForeignKeyName()
     {
         return $this->foreignKey;
     }
+
+    /**
+     * Get the name of the "where in" method for eager loading.
+     *
+     * @param  \Illuminate\Database\Eloquent\Model  $model
+     * @param  string  $key
+     * @return string
+     */
+    protected function whereInMethod(EloquentModel $model, $key)
+    {
+        return 'whereIn';
+    }
 }
diff --git a/src/Jenssegers/Mongodb/Relations/HasMany.php b/src/Jenssegers/Mongodb/Relations/HasMany.php
index 47e60e533..93a25425a 100644
--- a/src/Jenssegers/Mongodb/Relations/HasMany.php
+++ b/src/Jenssegers/Mongodb/Relations/HasMany.php
@@ -4,6 +4,7 @@
 
 use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Database\Eloquent\Relations\HasMany as EloquentHasMany;
+use Illuminate\Database\Eloquent\Model as EloquentModel;
 
 class HasMany extends EloquentHasMany
 {
@@ -77,4 +78,16 @@ public function getRelationQuery(Builder $query, Builder $parent, $columns = ['*
 
         return $query->where($this->getHasCompareKey(), 'exists', true);
     }
+
+    /**
+     * Get the name of the "where in" method for eager loading.
+     *
+     * @param  \Illuminate\Database\Eloquent\Model  $model
+     * @param  string  $key
+     * @return string
+     */
+    protected function whereInMethod(EloquentModel $model, $key)
+    {
+        return 'whereIn';
+    }
 }
diff --git a/src/Jenssegers/Mongodb/Relations/HasOne.php b/src/Jenssegers/Mongodb/Relations/HasOne.php
index c91a65787..a8d65dba9 100644
--- a/src/Jenssegers/Mongodb/Relations/HasOne.php
+++ b/src/Jenssegers/Mongodb/Relations/HasOne.php
@@ -4,6 +4,7 @@
 
 use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Database\Eloquent\Relations\HasOne as EloquentHasOne;
+use Illuminate\Database\Eloquent\Model as EloquentModel;
 
 class HasOne extends EloquentHasOne
 {
@@ -77,4 +78,16 @@ public function getRelationQuery(Builder $query, Builder $parent, $columns = ['*
 
         return $query->where($this->getForeignKeyName(), 'exists', true);
     }
+    
+    /**
+     * Get the name of the "where in" method for eager loading.
+     *
+     * @param  \Illuminate\Database\Eloquent\Model  $model
+     * @param  string  $key
+     * @return string
+     */
+    protected function whereInMethod(EloquentModel $model, $key)
+    {
+        return 'whereIn';
+    }
 }
diff --git a/src/Jenssegers/Mongodb/Relations/MorphTo.php b/src/Jenssegers/Mongodb/Relations/MorphTo.php
index 08344f526..32f3d3ab6 100644
--- a/src/Jenssegers/Mongodb/Relations/MorphTo.php
+++ b/src/Jenssegers/Mongodb/Relations/MorphTo.php
@@ -3,6 +3,7 @@
 namespace Jenssegers\Mongodb\Relations;
 
 use Illuminate\Database\Eloquent\Relations\MorphTo as EloquentMorphTo;
+use Illuminate\Database\Eloquent\Model as EloquentModel;
 
 class MorphTo extends EloquentMorphTo
 {
@@ -42,4 +43,16 @@ public function getOwnerKey()
     {
         return property_exists($this, 'ownerKey') ? $this->ownerKey : $this->otherKey;
     }
+
+    /**
+     * Get the name of the "where in" method for eager loading.
+     *
+     * @param  \Illuminate\Database\Eloquent\Model  $model
+     * @param  string  $key
+     * @return string
+     */
+    protected function whereInMethod(EloquentModel $model, $key)
+    {
+        return 'whereIn';
+    }
 }