diff --git a/Search/SimilarPersonMatcher.php b/Search/SimilarPersonMatcher.php
index 7d672d4df..2667f061f 100644
--- a/Search/SimilarPersonMatcher.php
+++ b/Search/SimilarPersonMatcher.php
@@ -70,10 +70,12 @@ class SimilarPersonMatcher
                 );
         
         $dql = 'SELECT p from ChillPersonBundle:Person p WHERE'
-            . ' UNACCENT(LOWER(p.firstName)) LIKE UNACCENT(LOWER(:firstName))'
-            . ' OR UNACCENT(LOWER(p.lastName)) LIKE UNACCENT(LOWER(:lastName))'
-            . ' OR UNACCENT(LOWER(p.firstName)) LIKE UNACCENT(LOWER(:lastName))'
-            . ' OR UNACCENT(LOWER(p.lastName)) LIKE UNACCENT(LOWER(:firstName))'
+            . ' ('
+            . '     UNACCENT(LOWER(p.firstName)) LIKE UNACCENT(LOWER(:firstName)) '
+            . '     OR UNACCENT(LOWER(p.lastName)) LIKE UNACCENT(LOWER(:lastName)) '
+            . '     OR UNACCENT(LOWER(p.firstName)) LIKE UNACCENT(LOWER(:lastName)) '
+            . '     OR UNACCENT(LOWER(p.lastName)) LIKE UNACCENT(LOWER(:firstName)) '
+            . ' ) '
             . ' AND p.center IN (:centers)';
         
         $query =