diff --git a/abm.lua b/abm.lua
new file mode 100644
index 0000000..66ab09d
--- /dev/null
+++ b/abm.lua
@@ -0,0 +1,18 @@
+minetest.register_abm({
+    nodenames = {"mc:sweet_berry_bush_0"},
+    interval = 10.0,
+    chance = 16,
+    action = function(pos, node, active_object_count, active_object_count_wider) minetest.set_node(pos, {name = "mc:sweet_berry_bush_1"}) end
+})
+minetest.register_abm({
+    nodenames = {"mc:sweet_berry_bush_1"},
+    interval = 10.0,
+    chance = 16,
+    action = function(pos, node, active_object_count, active_object_count_wider) minetest.set_node(pos, {name = "mc:sweet_berry_bush_2"}) end
+})
+minetest.register_abm({
+    nodenames = {"mc:sweet_berry_bush_2"},
+    interval = 10.0,
+    chance = 16,
+    action = function(pos, node, active_object_count, active_object_count_wider) minetest.set_node(pos, {name = "mc:sweet_berry_bush_3"}) end
+})
\ No newline at end of file