diff --git a/src/Illuminate/Database/Query/Builder.php b/src/Illuminate/Database/Query/Builder.php
index ec80f4208d5e..ffbf88b1281b 100755
--- a/src/Illuminate/Database/Query/Builder.php
+++ b/src/Illuminate/Database/Query/Builder.php
@@ -579,7 +579,7 @@ public function orWhere($column, $operator = null, $value = null)
      */
     protected function invalidOperatorAndValue($operator, $value)
     {
-        $isOperator = in_array($operator, $this->operators) && in_array($operator, $this->grammar->getOperators());
+        $isOperator = in_array($operator, $this->operators);
 
         return $isOperator && $operator != '=' && is_null($value);
     }
diff --git a/tests/Database/DatabaseEloquentBuilderTest.php b/tests/Database/DatabaseEloquentBuilderTest.php
index 8c983aaa8aa4..41e0499f6760 100755
--- a/tests/Database/DatabaseEloquentBuilderTest.php
+++ b/tests/Database/DatabaseEloquentBuilderTest.php
@@ -438,6 +438,14 @@ public function testSimpleWhere()
         $this->assertEquals($result, $builder);
     }
 
+    public function testPostgresOperatorsWhere()
+    {
+        $builder = $this->getBuilder();
+        $builder->getQuery()->shouldReceive('where')->once()->with('foo', '@>', 'bar');
+        $result = $builder->where('foo', '@>', 'bar');
+        $this->assertEquals($result, $builder);
+    }
+
     public function testDeleteOverride()
     {
         $builder = $this->getBuilder();