diff --git a/mods/ENTITIES/pyutest_lightning/init.lua b/mods/ENTITIES/pyutest_lightning/init.lua
index 41e9afc..5e35c52 100644
--- a/mods/ENTITIES/pyutest_lightning/init.lua
+++ b/mods/ENTITIES/pyutest_lightning/init.lua
@@ -45,7 +45,9 @@ PyuTest.lightning_strike = function(pos, radius, size)
 
       if y_pos then
         local npos = vector.new(pos.x + x, y_pos, pos.z +z)
-        if math.random(1, 6) == 1 then
+        local b = core.get_node(npos).name == "air"
+        local b2 = core.get_node(npos - vector.new(0, 1, 0)).name ~= "air"
+        if math.random(1, 6) == 1 and b and b2 then
           core.set_node(npos, {name = "pyutest_blocks:fire"})
         end
       end