diff --git a/depends.txt b/depends.txt
index 7fe8e06..327c6ae 100644
--- a/depends.txt
+++ b/depends.txt
@@ -1,4 +1,5 @@
 default?
 intllib?
 doc?
-xpanes?
\ No newline at end of file
+xpanes?
+carts?
\ No newline at end of file
diff --git a/init.lua b/init.lua
index bb72b58..47f3ff5 100644
--- a/init.lua
+++ b/init.lua
@@ -235,6 +235,12 @@ if flow_through then
 		add_flow_through("xpanes:bar")
 		add_flow_through("xpanes:bar_flat")
 	end
+	
+	if minetest.get_modpath("carts") then
+		add_flow_through("carts:rail")
+		add_flow_through("carts:powerrail")
+		add_flow_through("carts:brakerail")
+	end
 end