diff --git a/mods/ITEMS/mcl_ocean/seagrass.lua b/mods/ITEMS/mcl_ocean/seagrass.lua
index 8f319b29ff..26640aa3a9 100644
--- a/mods/ITEMS/mcl_ocean/seagrass.lua
+++ b/mods/ITEMS/mcl_ocean/seagrass.lua
@@ -112,7 +112,7 @@ for s=1, #surfaces do
 		drawtype = "plantlike_rooted",
 		paramtype = "light",
 		paramtype2 = "meshoptions",
-		place_param2 = 3,
+		param2 = 3,
 		tiles = def.tiles,
 		special_tiles = {
 			{
@@ -149,3 +149,28 @@ end
 if mod_doc then
 	doc.add_entry_alias("nodes", "mcl_ocean:seagrass_dirt", "craftitems", "mcl_ocean:seagrass")
 end
+
+minetest.register_lbm({
+	label = "Fix incorrect seagrass",
+	name = "mcl_ocean:fix_incorrect_seagrass",
+	nodenames = {"group:seagrass"},
+	run_at_every_load = false,
+	action = function(pos, node)
+		if node.param2 ~= 3 then
+			node.param2 = 3
+			minetest.set_node(pos, node)
+		end
+	end
+})
+
+minetest.register_on_generated(function(minp, maxp, blockseed)
+	local seagrass = minetest.find_nodes_in_area(minp, maxp, {"group:seagrass"})
+	for _, sgpos in pairs(seagrass) do
+		local sgnode = minetest.get_node(sgpos)
+		if sgnode.param2 ~= 3 then
+			sgnode.param2 = 3
+			minetest.set_node(sgpos, sgnode)
+		end
+	end
+end
+)