diff --git a/code/game/objects/effects/decals/crayon.dm b/code/game/objects/effects/decals/crayon.dm
index baad7136753..34263ef9a45 100644
--- a/code/game/objects/effects/decals/crayon.dm
+++ b/code/game/objects/effects/decals/crayon.dm
@@ -4,6 +4,7 @@
 	icon = 'icons/effects/crayondecal.dmi'
 	icon_state = "rune1"
 	gender = NEUTER
+	mergeable_decal = FALSE
 	var/do_icon_rotate = TRUE
 	var/rotation = 0
 	var/paint_colour = "#FFFFFF"
@@ -27,4 +28,3 @@
 	if(main)
 		paint_colour = main
 	add_atom_colour(paint_colour, FIXED_COLOUR_PRIORITY)
-