diff --git a/.config/compton.conf b/.config/compton.conf
index 06c1919b..f85567b1 100644
--- a/.config/compton.conf
+++ b/.config/compton.conf
@@ -99,6 +99,7 @@ shadow-exclude = [
     "class_g ?= 'Cairo-dock'",
     "class_g ?= 'Xfce4-notifyd'",
     "class_g ?= 'Xfce4-power-manager'",
+    "window_type = 'dock'",
     "_GTK_FRAME_EXTENTS@:c"
 ];
 # Avoid drawing shadow on all shaped windows (see also: --detect-rounded-corners)