diff --git a/config b/config
index 57c18e4..a430742 100644
--- a/config
+++ b/config
@@ -235,7 +235,7 @@ bindsym XF86AudioMute exec --no-startup-id amixer -q -D pulse sset Master toggle
 set $mode_mount Launch: Shift unmount devices (u) USB, (c) DVD/CD
 mode "$mode_mount" {
     bindsym u exec --no-startup-id "udisksctl mount -b /dev/sdb1", mode "default"
-    bindsym Shift+u exec --no-startup-id "udisksctl unmount -b /dev/sb1", mode "default"
+    bindsym Shift+u exec --no-startup-id "udisksctl unmount -b /dev/sdb1", mode "default"
     bindsym c exec --no-startup-id "udisksctl mount -b /dev/sr0", mode "default"
     bindsym Shift+c exec --no-startup-id "udisksctl unmount -b /dev/sr0", mode "default"