diff --git a/core/src/system/disk.rs b/core/src/system/disk.rs
index 5d65b32..315a800 100644
--- a/core/src/system/disk.rs
+++ b/core/src/system/disk.rs
@@ -163,6 +163,7 @@ pub fn get_fake_disks() -> Vec<Disk> {
                     id: 1,
                     fs_type: String::from("NTFS"),
                     label: String::from("System Reserved"),
+                    letter: String::from("C"),
                     part_type: String::from("7"),
                     size: 104_857_600,
                     ..Default::default()
@@ -177,6 +178,7 @@ pub fn get_fake_disks() -> Vec<Disk> {
                     id: 5,
                     fs_type: String::from("NTFS"),
                     label: String::from("Win7"),
+                    letter: String::from("D"),
                     part_type: String::from("7"),
                     size: 267_701_452_800,
                     ..Default::default()
@@ -185,6 +187,7 @@ pub fn get_fake_disks() -> Vec<Disk> {
                     id: 6,
                     fs_type: String::from("NTFS"),
                     label: String::from("Tools"),
+                    letter: String::from("E"),
                     part_type: String::from("7"),
                     size: 524_288_000,
                     ..Default::default()
@@ -203,6 +206,7 @@ pub fn get_fake_disks() -> Vec<Disk> {
                 id: 1,
                 fs_type: String::from("NTFS"),
                 label: String::from("Scratch"),
+                letter: String::from("G"),
                 part_type: String::from("7"),
                 size: 249_998_951_424,
                 ..Default::default()
@@ -221,7 +225,7 @@ pub fn get_fake_disks() -> Vec<Disk> {
                     id: 1,
                     fs_type: String::from("FAT32"),
                     label: String::from("ESP"),
-                    letter: String::from("Q"),
+                    letter: String::from("J"),
                     part_type: String::from("EFI"),
                     size: 272_629_760,
                 },
@@ -235,7 +239,7 @@ pub fn get_fake_disks() -> Vec<Disk> {
                     id: 4,
                     fs_type: String::from("NTFS"),
                     label: String::from("Win10"),
-                    letter: String::from("V"),
+                    letter: String::from("K"),
                     part_type: String::from("MS Basic Data"),
                     size: 824_340_119_552,
                 },
@@ -254,6 +258,7 @@ pub fn get_fake_disks() -> Vec<Disk> {
                     id: 1,
                     fs_type: String::from("FAT32"),
                     label: String::from("EFI Boot"),
+                    letter: String::from("I"),
                     part_type: String::from("EFI"),
                     size: 209_715_200,
                     ..Default::default()