small patch

Simcra · Aug 9, 2016 · a322695 · a322695
1 parent 1bd7fbc
commit a322695
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/control.lua b/src/control.lua
@@ -113,7 +113,7 @@ end
 local function on_configuration_changed(_config_data)
 	init_globals()
 	local mod_changes = _config_data["mod_changes"]
-	if mod_changes and mod_changes["Surfaces"] then
+	if mod_changes and mod_changes["Surfaces"] and mod_changes["Surfaces"]["old_version"] then
 		local ver = _config_data["mod_changes"]["Surfaces"]["old_version"]
 		local ver_parts = string.gmatch(ver, "%d+")
 		local ver_rel, ver_mjr, ver_mnr = tonumber(ver_parts()), tonumber(ver_parts()), tonumber(ver_parts())
@@ -172,4 +172,4 @@ remote.add_interface("Surfaces", {
 			surfaces.migrate_surface(v, _separator)
 		end
 	end
-})
+})