diff --git a/lua/entities/gmod_wire_hologram.lua b/lua/entities/gmod_wire_hologram.lua
index d2af680829..cf57484193 100644
--- a/lua/entities/gmod_wire_hologram.lua
+++ b/lua/entities/gmod_wire_hologram.lua
@@ -386,6 +386,8 @@ if CLIENT then
 
 	concommand.Add("wire_holograms_unblock_client",
 		function(ply, command, args)
+			if not args[1] then print("Invalid steamid") return end
+
 			local toblock = checkSteamid(args[1])
 			if not toblock then print("Invalid SteamId") return end
 			if not blocked[toblock] then print("This steamid isn't blocked") return end