diff --git a/mods/core/falling.lua b/mods/core/falling.lua
index ee304a9..a8f56ca 100644
--- a/mods/core/falling.lua
+++ b/mods/core/falling.lua
@@ -32,7 +32,7 @@ function realtest.register_on_updatenode(func)
 end
 minetest.register_on_updatenode = realtest.register_on_updatenode
 
-local function nodeupdate_single(pos)
+function realtest.nodeupdate_single(pos)
 	for _, callback in ipairs(realtest.registered_on_updatenodes) do
 		local node = minetest.get_node(pos)
 		callback(pos, node)
@@ -44,7 +44,7 @@ function minetest.check_for_falling(pos)
 		for y = -1,1 do
 			for z = -1,1 do
 				local pos2 = {x=pos.x+x, y=pos.y+y, z=pos.z+z}
-				nodeupdate_single(pos2)
+				realtest.nodeupdate_single(pos2)
 			end
 		end
 	end
diff --git a/mods/grounds/depends.txt b/mods/grounds/depends.txt
index 3fc1326..9552305 100644
--- a/mods/grounds/depends.txt
+++ b/mods/grounds/depends.txt
@@ -1,4 +1,4 @@
 core 
 default
 joiner_table
-instruments
\ No newline at end of file
+instruments
diff --git a/mods/grounds/dirt.lua b/mods/grounds/dirt.lua
index c513dbe..7953bac 100644
--- a/mods/grounds/dirt.lua
+++ b/mods/grounds/dirt.lua
@@ -87,7 +87,7 @@ function realtest.register_dirt(name, DirtRef)
 			sounds = default.node_sound_dirt_defaults(),
 			on_falling = function(pos, node)
 				minetest.set_node(pos, {name = farm_nofarm[node.name]})
-				nodeupdate_single(pos)
+				realtest.nodeupdate_single(pos)
 			end,
 		})
 	end
@@ -115,7 +115,7 @@ function realtest.register_dirt(name, DirtRef)
 			sounds = default.node_sound_dirt_defaults(),
 			on_falling = function(pos, node)
 				minetest.set_node(pos, {name = farm_nofarm[node.name]})
-				nodeupdate_single(pos)
+				realtest.nodeupdate_single(pos)
 			end,
 		})
 	end
@@ -130,7 +130,7 @@ function realtest.register_dirt(name, DirtRef)
 			sounds = default.node_sound_dirt_defaults(),
 			on_falling = function(pos, node)
 				minetest.set_node(pos, {name = farm_nofarm[node.name]})
-				nodeupdate_single(pos)
+				realtest.nodeupdate_single(pos)
 			end,
 		})
 	end
@@ -147,7 +147,7 @@ function realtest.register_dirt(name, DirtRef)
 			}),
 			on_falling = function(pos, node)
 				minetest.set_node(pos, {name = farm_nofarm[node.name]})
-				nodeupdate_single(pos)
+				realtest.nodeupdate_single(pos)
 			end,
 		})
 	end
@@ -192,7 +192,7 @@ function realtest.register_dirt(name, DirtRef)
 			if (n.liquidtype and n.liquidtype ~= "none") then
 				pos.y = pos.y-1
 				minetest.set_node(pos, {name=grass_nograss[node.name]})
-				nodeupdate_single(pos)
+				realtest.nodeupdate_single(pos)
 			end
 		end
 	})
@@ -228,7 +228,7 @@ function realtest.register_dirt(name, DirtRef)
 				if obj:is_player() then
 					if minetest.registered_nodes[minetest.get_node({x=pos.x,y=pos.y-1,z=pos.z}).name].buildable_to then
 						minetest.set_node(pos, {name=grass_nograss[node.name]})
-						nodeupdate_single(pos)
+						realtest.nodeupdate_single(pos)
 						return
 					end
 				end