diff --git a/api.lua b/api.lua
index 6da7037..cf82090 100644
--- a/api.lua
+++ b/api.lua
@@ -2323,7 +2323,7 @@ end
 -- falling and fall damage
 local falling = function(self, pos)
 
-	if self.fly then
+	if self.fly or self.disable_falling then
 		return
 	end
 
diff --git a/api.txt b/api.txt
index 72f023c..cf8e89b 100644
--- a/api.txt
+++ b/api.txt
@@ -245,7 +245,7 @@ eating.
        If false is returned, the mob will not replace the node.
 
        By default, replacing sets self.gotten to true and resets the object
-       properties.
+       properties. (DEPRECATED, use on_replace to make changes).
 
 
 Custom Definition Functions