diff --git a/src/Bundle/ChillThirdPartyBundle/Search/ThirdPartyApiSearch.php b/src/Bundle/ChillThirdPartyBundle/Search/ThirdPartyApiSearch.php
index f43a6eda2..83a2add2d 100644
--- a/src/Bundle/ChillThirdPartyBundle/Search/ThirdPartyApiSearch.php
+++ b/src/Bundle/ChillThirdPartyBundle/Search/ThirdPartyApiSearch.php
@@ -85,12 +85,12 @@ class ThirdPartyApiSearch implements SearchApiInterface
         $pertinenceArgs = [];
 
         foreach ($strs as $str) {
-            if (!empty($str)) {
-                $wheres[] = "(LOWER(UNACCENT(?)) <<% tparty.canonicalized OR
+            if ('' !== trim($str)) {
+                $wheres[] = "((LOWER(UNACCENT(?)) <<% tparty.canonicalized OR
                     tparty.canonicalized LIKE '%' || LOWER(UNACCENT(?)) || '%')
                     OR
                     (LOWER(UNACCENT(?)) <<% parent.canonicalized OR
-                    parent.canonicalized LIKE '%' || LOWER(UNACCENT(?)) || '%')
+                    parent.canonicalized LIKE '%' || LOWER(UNACCENT(?)) || '%'))
                     ";
                 $whereArgs[] = [$str, $str, $str, $str];
                 $pertinence[] = 'GREATEST(