diff --git a/technic/spec/fixtures/network.lua b/technic/spec/fixtures/network.lua
index 1a507c4f..15b92d24 100644
--- a/technic/spec/fixtures/network.lua
+++ b/technic/spec/fixtures/network.lua
@@ -29,6 +29,9 @@ _G.technic.digilines = {
 		{x =  0, y = -1, z = 0}, -- along y below
 	}
 }
+_G.technic.sounds = setmetatable({}, {
+	__index = function(...) return function(...) return "" end end,
+})
 
 sourcefile("config")
 sourcefile("register")