diff --git a/src/App/Avatar/Lorelei.php b/src/App/Avatar/Lorelei.php
index b9ce8b7..13b679d 100644
--- a/src/App/Avatar/Lorelei.php
+++ b/src/App/Avatar/Lorelei.php
@@ -94,22 +94,34 @@ final class Lorelei
     {
         $avatar = self::normalize($row);
         $query = ['seed' => $avatar['avatar_preset']];
-        $map = [
+        $requiredMap = [
             'avatar_lorelei_eyes_variant' => 'eyesVariant',
             'avatar_lorelei_eyebrows_variant' => 'eyebrowsVariant',
             'avatar_lorelei_mouth_variant' => 'mouthVariant',
-            'avatar_lorelei_glasses_variant' => 'glassesVariant',
-            'avatar_lorelei_hair_variant' => 'hairVariant',
-            'avatar_lorelei_beard_variant' => 'beardVariant',
-            'avatar_lorelei_earrings_variant' => 'earringsVariant',
+        ];
+        $optionalMap = [
+            'avatar_lorelei_glasses_variant' => ['variant' => 'glassesVariant', 'probability' => 'glassesProbability'],
+            'avatar_lorelei_hair_variant' => ['variant' => 'hairVariant', 'probability' => 'hairProbability'],
+            'avatar_lorelei_beard_variant' => ['variant' => 'beardVariant', 'probability' => 'beardProbability'],
+            'avatar_lorelei_earrings_variant' => ['variant' => 'earringsVariant', 'probability' => 'earringsProbability'],
         ];
 
-        foreach ($map as $key => $param) {
+        foreach ($requiredMap as $key => $param) {
             if ($avatar[$key] !== '') {
                 $query[$param] = $avatar[$key];
             }
         }
 
+        foreach ($optionalMap as $key => $params) {
+            if ($avatar[$key] === '') {
+                $query[$params['probability']] = '0';
+                continue;
+            }
+
+            $query[$params['variant']] = $avatar[$key];
+            $query[$params['probability']] = '100';
+        }
+
         return $query;
     }