diff --git a/uuid.lua b/uuid.lua
index c4f07c1..d341eee 100644
--- a/uuid.lua
+++ b/uuid.lua
@@ -6,15 +6,11 @@ local path = (...):gsub("uuid", "")
 
 local uuid = {}
 
---helper for optionally passed random; defaults to love.math.random if present, otherwise math.random
-local _global_random = math.random
-if love and love.math and love.math.random then
-	_global_random = love.math.random
-end
-
-local function _random(min, max, r)
-	return r and r:random(min, max)
-		or _global_random(min, max)
+--(internal; use a provided random generator object, or not)
+local function _random(rng, ...)
+	if rng then return rng:random(...) end
+	if love then return nlove.math.random(...) end
+	return math.random(...)
 end
 
 local uuid4_template = "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx"
@@ -24,7 +20,7 @@ function uuid.uuid4(rng)
     return uuid4_template:gsub("[xy]", function (c)
         -- x should be 0x0-0xF, the single y should be 0x8-0xB
         -- 4 should always just be 4 (denoting uuid version)
-        return string.format("%x", c == "x" and _random(0x0, 0xF, rng) or _random(0x8, 0xB, rng))
+        return string.format("%x", c == "x" and _random(rng, 0x0, 0xF) or _random(rng, 0x8, 0xB))
     end)
 end