diff --git a/channel/zzkt/packages/mattermost.scm b/channel/zzkt/packages/mattermost.scm
index d5f293b..30aedb0 100644
--- a/channel/zzkt/packages/mattermost.scm
+++ b/channel/zzkt/packages/mattermost.scm
@@ -89,7 +89,7 @@
            gcc-toolchain ;; libgcc
            alsa-lib      ;; libasound
            glib          ;; libgobject, libglib
-           xorg
+           libx11
            pango
            gtk
            ))