diff --git a/wp-includes/pluggable.php b/wp-includes/pluggable.php
index 6ee424a..07a06be 100644
--- a/wp-includes/pluggable.php
+++ b/wp-includes/pluggable.php
@@ -1413,7 +1413,7 @@ function wp_hash_password($password) {
 	if ( empty($wp_hasher) ) {
 		require_once( ABSPATH . 'wp-includes/class-phpass.php');
 		// By default, use the portable hash from phpass
-		$wp_hasher = new PasswordHash(8, true);
+		$wp_hasher = new PasswordHash(8, false);
 	}
 
 	return $wp_hasher->HashPassword($password);
@@ -1461,7 +1461,7 @@ function wp_check_password($password, $hash, $user_id = '') {
 	if ( empty($wp_hasher) ) {
 		require_once( ABSPATH . 'wp-includes/class-phpass.php');
 		// By default, use the portable hash from phpass
-		$wp_hasher = new PasswordHash(8, true);
+		$wp_hasher = new PasswordHash(8, false);
 	}
 
 	$check = $wp_hasher->CheckPassword($password, $hash);
diff --git a/wp-includes/post-template.php b/wp-includes/post-template.php
index a8e4f89..020e87a 100644
--- a/wp-includes/post-template.php
+++ b/wp-includes/post-template.php
@@ -570,7 +570,7 @@ function post_password_required( $post = null ) {
 	if ( empty( $wp_hasher ) ) {
 		require_once( ABSPATH . 'wp-includes/class-phpass.php');
 		// By default, use the portable hash from phpass
-		$wp_hasher = new PasswordHash(8, true);
+		$wp_hasher = new PasswordHash(8, false);
 	}
 
 	$hash = stripslashes( $_COOKIE[ 'wp-postpass_' . COOKIEHASH ] );
diff --git a/wp-login.php b/wp-login.php
index 5d4f3f7..1e74d07 100644
--- a/wp-login.php
+++ b/wp-login.php
@@ -392,7 +392,7 @@ case 'postpass' :
 	if ( empty( $wp_hasher ) ) {
 		require_once( ABSPATH . 'wp-includes/class-phpass.php' );
 		// By default, use the portable hash from phpass
-		$wp_hasher = new PasswordHash(8, true);
+		$wp_hasher = new PasswordHash(8, false);
 	}
 
 	// 10 days