diff --git a/php/postgresql-demo.php b/php/postgresql-demo.php
index 189ad53..cdecb13 100644
--- a/php/postgresql-demo.php
+++ b/php/postgresql-demo.php
@@ -22,6 +22,7 @@ while ($row = pg_fetch_row($result)) {
 	}
 	echo '</tr>';
 }
+pg_free_result($result);
 echo '</table>';
 pg_close($conn);
 ?>