diff --git a/wp-admin/includes/ms.php b/wp-admin/includes/ms.php
index 54d638f6d8..ba9471edaf 100644
--- a/wp-admin/includes/ms.php
+++ b/wp-admin/includes/ms.php
@@ -249,15 +249,7 @@ function display_space_usage() {
 
 	$percent_used = ( $space_used / $space_allowed ) * 100;
 
-	if ( $space_allowed > 1000 ) {
-		$space = number_format( $space_allowed / KB_IN_BYTES );
-		/* translators: Gigabytes */
-		$space .= __( 'GB' );
-	} else {
-		$space = number_format( $space_allowed );
-		/* translators: Megabytes */
-		$space .= __( 'MB' );
-	}
+	$space = size_format( $space_allowed * MB_IN_BYTES );
 	?>
 	<strong>
 	<?php
diff --git a/wp-includes/version.php b/wp-includes/version.php
index c91ef5eb46..d61671e59d 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.3-alpha-45578';
+$wp_version = '5.3-alpha-45579';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.