diff --git a/src/wp-login.php b/src/wp-login.php
index 6c5769c4ef..507a122af5 100644
--- a/src/wp-login.php
+++ b/src/wp-login.php
@@ -430,6 +430,15 @@ do_action( "login_form_{$action}" );
 $http_post = ('POST' == $_SERVER['REQUEST_METHOD']);
 $interim_login = isset($_REQUEST['interim-login']);
 
+/**
+ * Filters the separator used between login form navigation links.
+ *
+ * @since 4.9.0
+ *
+ * @param string $login_link_separator The separator used between login form navigation links.
+ */
+$login_link_separator = apply_filters( 'login_link_separator', ' | ' );
+
 switch ($action) {
 
 case 'postpass' :
@@ -555,8 +564,10 @@ case 'retrievepassword' :
 if ( get_option( 'users_can_register' ) ) :
 	$registration_url = sprintf( '<a href="%s">%s</a>', esc_url( wp_registration_url() ), __( 'Register' ) );
 
+	echo esc_html( $login_link_separator );
+
 	/** This filter is documented in wp-includes/general-template.php */
-	echo ' | ' . apply_filters( 'register', $registration_url );
+	echo apply_filters( 'register', $registration_url );
 endif;
 ?>
 </p>
@@ -668,8 +679,10 @@ case 'rp' :
 if ( get_option( 'users_can_register' ) ) :
 	$registration_url = sprintf( '<a href="%s">%s</a>', esc_url( wp_registration_url() ), __( 'Register' ) );
 
+	echo esc_html( $login_link_separator );
+
 	/** This filter is documented in wp-includes/general-template.php */
-	echo ' | ' . apply_filters( 'register', $registration_url );
+	echo apply_filters( 'register', $registration_url );
 endif;
 ?>
 </p>
@@ -744,7 +757,8 @@ case 'register' :
 </form>
 
 <p id="nav">
-<a href="<?php echo esc_url( wp_login_url() ); ?>"><?php _e( 'Log in' ); ?></a> |
+<a href="<?php echo esc_url( wp_login_url() ); ?>"><?php _e( 'Log in' ); ?></a>
+<?php echo esc_html( $login_link_separator ); ?>
 <a href="<?php echo esc_url( wp_lostpassword_url() ); ?>"><?php _e( 'Lost your password?' ); ?></a>
 </p>
 
@@ -936,7 +950,9 @@ default:
 		$registration_url = sprintf( '<a href="%s">%s</a>', esc_url( wp_registration_url() ), __( 'Register' ) );
 
 		/** This filter is documented in wp-includes/general-template.php */
-		echo apply_filters( 'register', $registration_url ) . ' | ';
+		echo apply_filters( 'register', $registration_url );
+
+		echo esc_html( $login_link_separator );
 	endif;
 	?>
 	<a href="<?php echo esc_url( wp_lostpassword_url() ); ?>"><?php _e( 'Lost your password?' ); ?></a>