diff --git a/DMCompiler/DMStandard/Types/Atoms/Mob.dm b/DMCompiler/DMStandard/Types/Atoms/Mob.dm
index 14b1d0659a..ebcfcbea70 100644
--- a/DMCompiler/DMStandard/Types/Atoms/Mob.dm
+++ b/DMCompiler/DMStandard/Types/Atoms/Mob.dm
@@ -12,6 +12,7 @@
 	var/sight = 0
 	var/see_in_dark = 2 as opendream_unimplemented
 
+	density = TRUE
 	layer = MOB_LAYER
 
 	proc/Login()