diff --git a/.config/picom/picom.conf b/.config/picom/picom.conf
index 2fd0f5d8..b2d08307 100644
--- a/.config/picom/picom.conf
+++ b/.config/picom/picom.conf
@@ -30,6 +30,7 @@ blur-background-exclude = [
     "class_g *= 'slop'",
     "_GTK_FRAME_EXTENTS@:c",
     "_NET_WM_STATE@:32a *= '_NET_WM_STATE_HIDDEN'"
+    "class_g = 'xsecurelock-dimmer'"
 ];
 
 # Opacity