diff --git a/moremesecons_jammer/init.lua b/moremesecons_jammer/init.lua
index 7898e8e..d224e1a 100644
--- a/moremesecons_jammer/init.lua
+++ b/moremesecons_jammer/init.lua
@@ -16,7 +16,7 @@ local function remove_jammer(pos)
 end
 
 local function is_jammed(pos)
-	local JAMMER_MAX_DISTANCE = tonumber(minetest.setting_get(moresecons_jammer.max_distance)) or 10
+	local JAMMER_MAX_DISTANCE = tonumber(minetest.setting_get("moresecons_jammer.max_distance")) or 10
 	if JAMMER_MAX_DISTANCE <= 0 then
 		JAMMER_MAX_DISTANCE = 1
 	elseif JAMMER_MAX_DISTANCE ~= JAMMER_MAX_DISTANCE then -- NaN