diff --git a/src/Bundle/ChillThirdPartyBundle/Search/ThirdPartyApiSearch.php b/src/Bundle/ChillThirdPartyBundle/Search/ThirdPartyApiSearch.php
index 4144db6a0..a50d35cf2 100644
--- a/src/Bundle/ChillThirdPartyBundle/Search/ThirdPartyApiSearch.php
+++ b/src/Bundle/ChillThirdPartyBundle/Search/ThirdPartyApiSearch.php
@@ -93,12 +93,18 @@ class ThirdPartyApiSearch implements SearchApiInterface
                     parent.canonicalized LIKE '%' || LOWER(UNACCENT(?)) || '%')
                     ";
                 $whereArgs[] = [$str, $str, $str, $str];
-                $pertinence[] = 'STRICT_WORD_SIMILARITY(LOWER(UNACCENT(?)), tparty.canonicalized) + ' .
-                   "(tparty.canonicalized LIKE '%s' || LOWER(UNACCENT(?)) || '%')::int + " .
+                $pertinence[] = "GREATEST(
+                        STRICT_WORD_SIMILARITY(LOWER(UNACCENT(?)), tparty.canonicalized),
+                        STRICT_WORD_SIMILARITY(LOWER(UNACCENT(?)), parent.canonicalized)
+                    ) + " .
+                    "GREATEST(
+                        (tparty.canonicalized LIKE '%s' || LOWER(UNACCENT(?)) || '%')::int,
+                        (parent.canonicalized LIKE '%s' || LOWER(UNACCENT(?)) || '%')::int
+                    ) + " .
                    // take postcode label into account, but lower than the canonicalized field
                    "COALESCE((LOWER(UNACCENT(cmpc.label)) LIKE '%' || LOWER(UNACCENT(?)) || '%')::int * 0.3, 0) + " .
                    "COALESCE((LOWER(UNACCENT(cmpc_p.label)) LIKE '%' || LOWER(UNACCENT(?)) || '%')::int * 0.3, 0)";
-                $pertinenceArgs[] = [$str, $str, $str, $str];
+                $pertinenceArgs[] = [$str, $str, $str, $str, $str, $str];
             }
         }