diff --git a/src/SearchableTrait.php b/src/SearchableTrait.php
index 2f504e4..96befd8 100644
--- a/src/SearchableTrait.php
+++ b/src/SearchableTrait.php
@@ -36,7 +36,7 @@ public function scopeSearch(Builder $q, $search, $threshold = null, $entireText
             return $q;
         }
 
-        $search = strtolower(trim($search));
+        $search = mb_strtolower(trim($search));
         $words = explode(' ', $search);
 
         $selects = [];