diff --git a/classes/Validate.php b/classes/Validate.php
index 63dcacc75..9196216dd 100644
--- a/classes/Validate.php
+++ b/classes/Validate.php
@@ -364,7 +364,7 @@ public static function isAddress($address)
      */
     public static function isCityName($city)
     {
-        return preg_match(Tools::cleanNonUnicodeSupport('/^[^!<>;?=+@#"°{}_$%]*$/u'), $city);
+        return preg_match(Tools::cleanNonUnicodeSupport('/^\p{L}+[^!<>;?=+@#"°{}_$%]*$/u'), $city);
     }
 
     /**