diff --git a/src/Builder.php b/src/Builder.php
index cc600eb..187d635 100644
--- a/src/Builder.php
+++ b/src/Builder.php
@@ -145,7 +145,7 @@ protected function addSearchClauses(
             $this->searchWhere($subquery, $columns, $words, $whereBindings);
         }
 
-        $this->query->where('relevance', '>=', new Expression($threshold));
+        $this->query->where('relevance', '>=', new Expression(number_format($threshold, 2)));
 
         $this->query->orders = array_merge(
             [['column' => 'relevance', 'direction' => 'desc']],
diff --git a/tests/SearchableBuilderTest.php b/tests/SearchableBuilderTest.php
index e55b6fe..c8a3c6d 100644
--- a/tests/SearchableBuilderTest.php
+++ b/tests/SearchableBuilderTest.php
@@ -35,7 +35,7 @@ public function single_character_wildcards()
     {
         $sql = 'select * from (select `users`.*, max(case when `users`.`last_name` = ? then 150 else 0 end) '.
                'as relevance from `users` where (`users`.`last_name` like ?) '.
-               'group by `users`.`primary_key`) as `users` where `relevance` >= 2.5 order by `relevance` desc';
+               'group by `users`.`primary_key`) as `users` where `relevance` >= 2.50 order by `relevance` desc';
 
         $bindings = ['jaros_aw', 'jaros_aw'];
 
@@ -157,7 +157,7 @@ public function additional_order_clauses()
                '+ case when `profiles`.`name` = ? then 15 else 0 end) as relevance '.
                'from `users` left join `profiles` on `users`.`profile_id` = `profiles`.`id` '.
                'where (`users`.`first_name` like ? or `profiles`.`name` like ?) group by `users`.`primary_key`) '.
-               'as `users` where `relevance` >= 0.5 order by `relevance` desc, `first_name` asc';
+               'as `users` where `relevance` >= 0.50 order by `relevance` desc, `first_name` asc';
 
         $bindings = ['jarek', 'jarek', 'jarek', 'jarek'];
 
@@ -176,7 +176,7 @@ public function length_aware_pagination()
                  '+ case when `users`.`last_name` like ? then 50 else 0 end '.
                  '+ case when `users`.`last_name` like ? then 10 else 0 end) '.
                  'as relevance from `users` where (`users`.`last_name` like ?) '.
-                 'group by `users`.`primary_key`) as `users` where `relevance` >= 2.5';
+                 'group by `users`.`primary_key`) as `users` where `relevance` >= 2.50';
 
         $bindings = ['jarek', 'jarek%', '%jarek%', '%jarek%'];
 
@@ -195,7 +195,7 @@ public function case_insensitive_operator_in_postgres()
                '+ case when "users"."last_name" ilike ? then 50 else 0 end '.
                '+ case when "users"."last_name" ilike ? then 10 else 0 end) '.
                'as relevance from "users" where ("users"."last_name" ilike ?) '.
-               'group by "users"."primary_key") as "users" where "relevance" >= 2.5 order by "relevance" desc';
+               'group by "users"."primary_key") as "users" where "relevance" >= 2.50 order by "relevance" desc';
 
         $bindings = ['jarek', 'jarek%', '%jarek%', '%jarek%'];
 
@@ -228,7 +228,7 @@ public function wildcard_search_by_default()
                '+ case when `users`.`last_name` like ? then 50 else 0 end '.
                '+ case when `users`.`last_name` like ? then 10 else 0 end) '.
                'as relevance from `users` where (`users`.`last_name` like ?) '.
-               'group by `users`.`primary_key`) as `users` where `relevance` >= 2.5 order by `relevance` desc';
+               'group by `users`.`primary_key`) as `users` where `relevance` >= 2.50 order by `relevance` desc';
 
         $bindings = ['jarek', 'jarek%', '%jarek%', '%jarek%'];
 
@@ -301,7 +301,7 @@ public function explicit_search_on_joined_table()
                'as relevance from `users` left join `profiles` on `users`.`profile_id` = `profiles`.`id` '.
                'where (`users`.`first_name` like ? or `users`.`first_name` like ? or `users`.`last_name` like ? or `users`.`last_name` like ? '.
                'or `users`.`email` like ? or `users`.`email` like ? or `profiles`.`name` like ? or `profiles`.`name` like ?) '.
-               'group by `users`.`primary_key`) as `users` where `relevance` >= 4.5 order by `relevance` desc';
+               'group by `users`.`primary_key`) as `users` where `relevance` >= 4.50 order by `relevance` desc';
 
         $bindings = [
             'jarek', 'tkaczyk', 'jarek', 'tkaczyk', 'jarek', 'tkaczyk', 'jarek', 'tkaczyk',