diff --git a/src/Jenssegers/Mongodb/Eloquent/Model.php b/src/Jenssegers/Mongodb/Eloquent/Model.php
index 894ebe41a..347cade4f 100644
--- a/src/Jenssegers/Mongodb/Eloquent/Model.php
+++ b/src/Jenssegers/Mongodb/Eloquent/Model.php
@@ -9,6 +9,7 @@
 use Illuminate\Support\Arr;
 use Illuminate\Support\Str;
 use Jenssegers\Mongodb\Query\Builder as QueryBuilder;
+use MongoDB\BSON\Binary;
 use MongoDB\BSON\ObjectID;
 use MongoDB\BSON\UTCDateTime;
 use Illuminate\Contracts\Queue\QueueableEntity;
@@ -56,6 +57,8 @@ public function getIdAttribute($value = null)
         // Convert ObjectID to string.
         if ($value instanceof ObjectID) {
             return (string) $value;
+        } elseif ($value instanceof Binary) {
+            return (string) $value->getData();
         }
 
         return $value;
@@ -165,7 +168,7 @@ protected function getAttributeFromArray($key)
     public function setAttribute($key, $value)
     {
         // Convert _id to ObjectID.
-        if ($key == '_id' && is_string($value)) {
+        if (($key == '_id' || Str::endsWith($key, '_id')) && is_string($value)) {
             $builder = $this->newBaseQueryBuilder();
 
             $value = $builder->convertKey($value);
@@ -197,6 +200,8 @@ public function attributesToArray()
         foreach ($attributes as $key => &$value) {
             if ($value instanceof ObjectID) {
                 $value = (string) $value;
+            } elseif ($value instanceof Binary) {
+                $value = (string) $value->getData();
             }
         }
 
diff --git a/src/Jenssegers/Mongodb/Query/Builder.php b/src/Jenssegers/Mongodb/Query/Builder.php
index a340976e3..9f27d77d8 100644
--- a/src/Jenssegers/Mongodb/Query/Builder.php
+++ b/src/Jenssegers/Mongodb/Query/Builder.php
@@ -11,6 +11,7 @@
 use Illuminate\Support\Str;
 use Jenssegers\Mongodb\Connection;
 use MongoCollection;
+use MongoDB\BSON\Binary;
 use MongoDB\BSON\ObjectID;
 use MongoDB\BSON\Regex;
 use MongoDB\BSON\UTCDateTime;
@@ -849,6 +850,8 @@ public function convertKey($id)
     {
         if (is_string($id) && strlen($id) === 24 && ctype_xdigit($id)) {
             return new ObjectID($id);
+        } elseif (strlen($id) === 16 && preg_match('~[^\x20-\x7E\t\r\n]~', $id) > 0) {
+            return new Binary($id, Binary::TYPE_UUID);
         }
 
         return $id;
@@ -909,7 +912,7 @@ protected function compileWheres()
             }
 
             // Convert id's.
-            if (isset($where['column']) && ($where['column'] == '_id' || Str::endsWith($where['column'], '._id'))) {
+            if (isset($where['column']) && ($where['column'] == '_id' || Str::endsWith($where['column'], '_id'))) {
                 // Multiple values.
                 if (isset($where['values'])) {
                     foreach ($where['values'] as &$value) {