diff --git a/spawn.lua b/spawn.lua
index a8a2577..45f0880 100644
--- a/spawn.lua
+++ b/spawn.lua
@@ -5,10 +5,10 @@ local time_min = 60
 local time_hr = time_min * 60
 local time_day = time_hr * 24
 
-local spawn_cap = minetest.setting_get('sneeker.spawn_cap') or 10 -- Maximum number of spawns active at one time
-local spawn_chance = minetest.setting_get('sneeker.spawn_chance') or 1000 -- 1/1000 chance of spawn
-local spawn_interval = minetest.setting_get('sneeker.spawn_interval') or time_min * 4 -- Default interval is 4 minutes
-local spawn_maxlight = minetest.setting_get('sneeker.spawn_maxlight') or 5 -- Maximum light of node for spawn
+local spawn_cap = tonumber(minetest.setting_get('sneeker.spawn_cap')) or 10 -- Maximum number of spawns active at one time
+local spawn_chance = tonumber(minetest.setting_get('sneeker.spawn_chance')) or 1000 -- 1/1000 chance of spawn
+local spawn_interval = tonumber(minetest.setting_get('sneeker.spawn_interval')) or time_min * 4 -- Default interval is 4 minutes
+local spawn_maxlight = tonumber(minetest.setting_get('sneeker.spawn_maxlight')) or 5 -- Maximum light of node for spawn
 
 local spawn_chance_percent = tostring(math.floor(1 / spawn_chance * 100)) .. '%'