diff --git a/gamemodes/zombiesurvival/gamemode/obj_entity_extend.lua b/gamemodes/zombiesurvival/gamemode/obj_entity_extend.lua
index 44796f1..a99f165 100644
--- a/gamemodes/zombiesurvival/gamemode/obj_entity_extend.lua
+++ b/gamemodes/zombiesurvival/gamemode/obj_entity_extend.lua
@@ -326,3 +326,8 @@ if CLIENT then
 		meta.SetPhysicsAttacker = function() end
 	end
 end
+
+local OldSequenceDuration = meta.SequenceDuration
+function meta:SequenceDuration(seqid)
+	return OldSequenceDuration(self, seqid) or 0
+end