diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0d949aa..46f5db2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+### Changed
+
+- Update intllib support to avoid using deprecated functions.
+
 ### Fixed
 
 - Node rotation now works correctly when placing Stairs+ nodes.
diff --git a/circular_saw.lua b/circular_saw.lua
index 4d1a3d9..1dce479 100644
--- a/circular_saw.lua
+++ b/circular_saw.lua
@@ -5,7 +5,7 @@ Copyright © 2011-2019 Hugo Locurcio, Sokomine and contributors.
 Licensed under the zlib license. See LICENSE.md for more information.
 --]]
 
-local S = moreblocks.intllib
+local S = moreblocks.S
 
 circular_saw = {}
 
diff --git a/init.lua b/init.lua
index ad5ad25..7627f7d 100644
--- a/init.lua
+++ b/init.lua
@@ -10,20 +10,12 @@ Licensed under the zlib license. See LICENSE.md for more information.
 
 moreblocks = {}
 
-local S
-if minetest.global_exists("intllib") then
-	if intllib.make_gettext_pair then
-		S = intllib.make_gettext_pair()
-	else
-		S = intllib.Getter()
-	end
-else
-	S = function(s) return s end
-end
-moreblocks.intllib = S
-
 local modpath = minetest.get_modpath("moreblocks")
 
+local S, NS = dofile(modpath .. "/intllib.lua")
+moreblocks.S = S
+moreblocks.NS = NS
+
 dofile(modpath .. "/config.lua")
 dofile(modpath .. "/circular_saw.lua")
 dofile(modpath .. "/stairsplus/init.lua")
diff --git a/intllib.lua b/intllib.lua
new file mode 100644
index 0000000..c7af2c2
--- /dev/null
+++ b/intllib.lua
@@ -0,0 +1,44 @@
+-- Fallback functions for when `intllib` is not installed.
+-- Code released under Unlicense <http://unlicense.org>.
+
+-- Get the latest version of this file at:
+--   https://raw.githubusercontent.com/minetest-mods/intllib/master/lib/intllib.lua
+
+local function format(str, ...)
+	local args = { ... }
+	local function repl(escape, open, num, close)
+		if escape == "" then
+			local replacement = tostring(args[tonumber(num)])
+			if open == "" then
+				replacement = replacement..close
+			end
+			return replacement
+		else
+			return "@"..open..num..close
+		end
+	end
+	return (str:gsub("(@?)@(%(?)(%d+)(%)?)", repl))
+end
+
+local gettext, ngettext
+if minetest.get_modpath("intllib") then
+	if intllib.make_gettext_pair then
+		-- New method using gettext.
+		gettext, ngettext = intllib.make_gettext_pair()
+	else
+		-- Old method using text files.
+		gettext = intllib.Getter()
+	end
+end
+
+-- Fill in missing functions.
+
+gettext = gettext or function(msgid, ...)
+	return format(msgid, ...)
+end
+
+ngettext = ngettext or function(msgid, msgid_plural, n, ...)
+	return format(n==1 and msgid or msgid_plural, ...)
+end
+
+return gettext, ngettext
diff --git a/nodes.lua b/nodes.lua
index 5bcab6c..047f59e 100644
--- a/nodes.lua
+++ b/nodes.lua
@@ -5,7 +5,7 @@ Copyright © 2011-2019 Hugo Locurcio and contributors.
 Licensed under the zlib license. See LICENSE.md for more information.
 --]]
 
-local S = moreblocks.intllib
+local S = moreblocks.S
 
 local sound_dirt = default.node_sound_dirt_defaults()
 local sound_wood = default.node_sound_wood_defaults()
diff --git a/ownership.lua b/ownership.lua
index 34bcffa..20f0fe1 100644
--- a/ownership.lua
+++ b/ownership.lua
@@ -5,7 +5,7 @@ Copyright © 2011-2019 Hugo Locurcio and contributors.
 Licensed under the zlib license. See LICENSE.md for more information.
 --]]
 
-local S = moreblocks.gettext
+local S = moreblocks.S
 
 function moreblocks.node_is_owned(pos, placer)
 	local ownername = false
diff --git a/stairsplus/common.lua b/stairsplus/common.lua
index 6ec5101..7b86fad 100644
--- a/stairsplus/common.lua
+++ b/stairsplus/common.lua
@@ -5,7 +5,7 @@ Copyright © 2011-2019 Hugo Locurcio and contributors.
 Licensed under the zlib license. See LICENSE.md for more information.
 --]]
 
-local S = moreblocks.intllib
+local S = moreblocks.S
 
 
 stairsplus.register_single = function(category, alternate, info, modname, subname, recipeitem, fields)
diff --git a/stairsplus/slabs.lua b/stairsplus/slabs.lua
index c41b2e3..8c23599 100644
--- a/stairsplus/slabs.lua
+++ b/stairsplus/slabs.lua
@@ -5,7 +5,7 @@ Copyright © 2011-2019 Hugo Locurcio and contributors.
 Licensed under the zlib license. See LICENSE.md for more information.
 --]]
 
-local S = moreblocks.intllib
+local S = moreblocks.S
 
 -- Node will be called <modname>:slab_<subname>