diff --git a/stairsplus/api/node.lua b/stairsplus/api/node.lua
index 993dbd8..df2dce4 100644
--- a/stairsplus/api/node.lua
+++ b/stairsplus/api/node.lua
@@ -156,7 +156,9 @@ function api.register_single(node, shape, overrides, meta)
 	end
 
 	if not meta.allow_override_groups and overrides.groups then
-		stairsplus.log("warning", "removing group overrides from %s", shaped_name)
+		stairsplus.log("warning", "removing group overrides from %s (was %s, will be %s)",
+			shaped_name, minetest.serialize(overrides.groups):sub(8), minetest.serialize(def.groups):sub(8)
+		)
 		overrides.groups = nil
 	end
 
diff --git a/stairsplus/compat2/init.lua b/stairsplus/compat2/init.lua
index 899aa5d..591d480 100644
--- a/stairsplus/compat2/init.lua
+++ b/stairsplus/compat2/init.lua
@@ -6,7 +6,15 @@ stairsplus.compat = {
 			def.drawtype == "plantlike" or
 			def.drawtype == "nodebox"
 		)
-	end
+	end,
+	is_legacy_paramtype2 = function(node)
+		local def = minetest.registered_nodes[node]
+		return (
+			def.paramtype2 == "color" or
+			def.paramtype2 == "colorwallmounted" or
+			def.paramtype2 == "glasslikeliquidlevel"
+		)
+	end,
 }
 
 stairsplus.dofile("compat2", "stairs")
diff --git a/stairsplus/compat2/old_moreblocks.lua b/stairsplus/compat2/old_moreblocks.lua
index 6ca920f..ecc9e83 100644
--- a/stairsplus/compat2/old_moreblocks.lua
+++ b/stairsplus/compat2/old_moreblocks.lua
@@ -4,6 +4,8 @@
 local api = stairsplus.api
 
 local is_legacy_drawtype = stairsplus.compat.is_legacy_drawtype
+local is_legacy_paramtype2 = stairsplus.compat.is_legacy_paramtype2
+
 local legacy_mode = stairsplus.settings.legacy_mode
 
 local function clean_legacy_fields(fields)
@@ -51,11 +53,17 @@ local function clean_legacy_fields(fields)
 end
 
 local function register_group(modname, subname, recipeitem, fields, group)
+	if not minetest.registered_nodes[recipeitem] then
+		error(("cannot register stairs for %s before the node is defined"):format(recipeitem))
+	end
 	fields = clean_legacy_fields(fields)
 	local meta = {}
 	if is_legacy_drawtype(recipeitem) then
 		meta.ignore_drawtype = true
 	end
+	if is_legacy_paramtype2(recipeitem) then
+		meta.ignore_paramtype2 = true
+	end
 
 	api.register_group(recipeitem, group, fields, meta)
 
diff --git a/stairsplus/compat2/stairs.lua b/stairsplus/compat2/stairs.lua
index 12b7303..02f51f0 100644
--- a/stairsplus/compat2/stairs.lua
+++ b/stairsplus/compat2/stairs.lua
@@ -9,8 +9,10 @@ local api = stairsplus.api
 
 local S = stairsplus.S
 
-local default_align_style = stairsplus.settings.default_align_style
 local is_legacy_drawtype = stairsplus.compat.is_legacy_drawtype
+local is_legacy_paramtype2 = stairsplus.compat.is_legacy_paramtype2
+
+local default_align_style = stairsplus.settings.default_align_style
 
 function stairs.register_stair(subname, node, groups, tiles, description, sounds, worldaligntex)
 	local meta = {
@@ -19,6 +21,9 @@ function stairs.register_stair(subname, node, groups, tiles, description, sounds
 	if is_legacy_drawtype(node) then
 		meta.ignore_drawtype = true
 	end
+	if is_legacy_paramtype2(node) then
+		meta.ignore_paramtype2 = true
+	end
 
 	api.register_single(node, "stair", {
 		groups = groups,
@@ -37,6 +42,9 @@ function stairs.register_slab(subname, node, groups, images, description, sounds
 	if is_legacy_drawtype(node) then
 		meta.ignore_drawtype = true
 	end
+	if is_legacy_paramtype2(node) then
+		meta.ignore_paramtype2 = true
+	end
 
 	api.register_single(node, "slab_8", {
 		groups = groups,
@@ -55,6 +63,9 @@ function stairs.register_stair_inner(subname, node, groups, tiles, description,
 	if is_legacy_drawtype(node) then
 		meta.ignore_drawtype = true
 	end
+	if is_legacy_paramtype2(node) then
+		meta.ignore_paramtype2 = true
+	end
 
 	api.register_single(node, "stair_inner", {
 		groups = groups,
@@ -73,6 +84,9 @@ function stairs.register_stair_outer(subname, node, groups, tiles, description,
 	if is_legacy_drawtype(node) then
 		meta.ignore_drawtype = true
 	end
+	if is_legacy_paramtype2(node) then
+		meta.ignore_paramtype2 = true
+	end
 
 	api.register_single(node, "stair_outer", {
 		groups = groups,