diff --git a/src/wp-includes/class-wp-locale.php b/src/wp-includes/class-wp-locale.php
index ee92bee317..9ddc325b35 100644
--- a/src/wp-includes/class-wp-locale.php
+++ b/src/wp-includes/class-wp-locale.php
@@ -115,6 +115,7 @@ class WP_Locale {
 	 * @since 2.1.0
 	 *
 	 * @global string $text_direction
+	 * @global string $wp_version
 	 */
 	public function init() {
 		// The Weekdays
@@ -222,7 +223,7 @@ class WP_Locale {
 			$this->text_direction = 'rtl';
 		}
 
-		if ( 'rtl' === $this->text_direction && strpos( get_bloginfo( 'version' ), '-src' ) ) {
+		if ( 'rtl' === $this->text_direction && strpos( $GLOBALS['wp_version'], '-src' ) ) {
 			$this->text_direction = 'ltr';
 			add_action( 'all_admin_notices', array( $this, 'rtl_src_admin_notice' ) );
 		}