diff --git a/src/wp-admin/includes/class-wp-debug-data.php b/src/wp-admin/includes/class-wp-debug-data.php
index 6e82e0b672..9ee83e9ee6 100644
--- a/src/wp-admin/includes/class-wp-debug-data.php
+++ b/src/wp-admin/includes/class-wp-debug-data.php
@@ -379,7 +379,7 @@ class WP_Debug_Data {
 		$info['wp-paths-sizes']['fields'] = array(
 			array(
 				'label' => __( 'Uploads Directory Location' ),
-				'value' => $size_directories['uploads']['path'],
+				'value' => wp_normalize_path( $size_directories['uploads']['path'] ),
 			),
 			array(
 				'label' => __( 'Uploads Directory Size' ),
@@ -387,11 +387,11 @@ class WP_Debug_Data {
 			),
 			array(
 				'label' => __( 'Themes Directory Location' ),
-				'value' => $size_directories['themes']['path'],
+				'value' => wp_normalize_path( $size_directories['themes']['path'] ),
 			),
 			array(
 				'label' => __( 'Current Theme Directory' ),
-				'value' => get_template_directory(),
+				'value' => wp_normalize_path( get_template_directory() ),
 			),
 			array(
 				'label' => __( 'Themes Directory Size' ),
@@ -399,7 +399,7 @@ class WP_Debug_Data {
 			),
 			array(
 				'label' => __( 'Plugins Directory Location' ),
-				'value' => $size_directories['plugins']['path'],
+				'value' => wp_normalize_path( $size_directories['plugins']['path'] ),
 			),
 			array(
 				'label' => __( 'Plugins Directory Size' ),
@@ -407,7 +407,7 @@ class WP_Debug_Data {
 			),
 			array(
 				'label' => __( 'WordPress Directory Location' ),
-				'value' => $size_directories['wordpress']['path'],
+				'value' => wp_normalize_path( $size_directories['wordpress']['path'] ),
 			),
 			array(
 				'label' => __( 'WordPress Directory Size' ),