diff --git a/code/__HELPERS/unsorted.dm b/code/__HELPERS/unsorted.dm
index d9039e8c004..2596e0ad8ed 100644
--- a/code/__HELPERS/unsorted.dm
+++ b/code/__HELPERS/unsorted.dm
@@ -1494,6 +1494,9 @@ var/mob/dview/dview_mob = new
 	canmove = FALSE
 	see_in_dark = 1e6
 
+/mob/dview/experience_pressure_difference()
+	return 0
+
 /mob/dview/New() //For whatever reason, if this isn't called, then BYOND will throw a type mismatch runtime when attempting to add this to the mobs list. -Fox
 
 /mob/dview/Destroy()