diff --git a/gamemodes/zombiesurvival/gamemode/init.lua b/gamemodes/zombiesurvival/gamemode/init.lua
index 37ee6e0..e3ee919 100644
--- a/gamemodes/zombiesurvival/gamemode/init.lua
+++ b/gamemodes/zombiesurvival/gamemode/init.lua
@@ -3295,7 +3295,7 @@ function GM:KeyPress(pl, key)
 			else
 				local plvel = pl:GetVelocity()
 				if pl:GetPhysicsObject():IsPenetrating() then
-					if plvel == vector_origin then
+					if (plvel.x == 0 and plvel.y == 0 and (plvel.z == -4.5 or plvel.z == 0)) then
 						pl.LastGhostFailureVelocity = nil
 						pl:SetBarricadeGhosting(true)
 					else