diff --git a/.config/picom/picom.conf b/.config/picom/picom.conf
index ddb01bb..cb1249d 100644
--- a/.config/picom/picom.conf
+++ b/.config/picom/picom.conf
@@ -96,6 +96,7 @@ blur-background-exclude = [
   # when taking selection screenshot with `main`
   # https://github.com/naelstrof/maim/issues/130
   "class_g = 'slop'",
+  "class_g = 'Gromit-mpx'",
   "_GTK_FRAME_EXTENTS@:c",
   "! name~=''",
 ];