diff --git a/mods/ENVIRONMENT/mcl_weather/thunder.lua b/mods/ENVIRONMENT/mcl_weather/thunder.lua
index b1837f0232..7da3308dbc 100644
--- a/mods/ENVIRONMENT/mcl_weather/thunder.lua
+++ b/mods/ENVIRONMENT/mcl_weather/thunder.lua
@@ -25,7 +25,7 @@ minetest.register_globalstep(function(dtime)
       {r=40, g=40, b=40},
       {r=0, g=0, b=0}})
     mcl_weather.skycolor.active = true
-    for _, player in pairs(minetest.get_connected_players()) do
+    for _, player in ipairs(minetest.get_connected_players()) do
       player:set_clouds({color="#3D3D3FE8"})
     end
     mcl_weather.thunder.init_done = true