diff --git a/lua/entities/gmod_wire_expression2/core/number.lua b/lua/entities/gmod_wire_expression2/core/number.lua
index 7cca6799a4..de7c7dcd17 100644
--- a/lua/entities/gmod_wire_expression2/core/number.lua
+++ b/lua/entities/gmod_wire_expression2/core/number.lua
@@ -583,6 +583,7 @@ local CHARS = string.Split("0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ", "")
 local function tobase(number, base, self)
 	if base < 2 or base > 36 or base ~= base or number == 0 or number ~= number then return "0" end
 	if base == 10 then return tostring(number) end
+	if number < 0 then return "-" .. tobase(-number, base, self) end
 
 	local out, loops, d = {}, floor(log(number) / log(base)) + 1, 0
 	if loops == inf then return "inf" end