diff --git a/main.lua b/main.lua
index 80d676d2..f1224cba 100644
--- a/main.lua
+++ b/main.lua
@@ -329,6 +329,9 @@ do
 				RANKS[k]=RANKS[v]
 				RANKS[v]=nil
 			end
+			if RANKS.pctrain_n then RANKS.pctrain_n=0 end
+			if RANKS.pctrain_l then RANKS.pctrain_l=0 end
+			FILE.save(RANKS,"conf/unlock")
 		end
 		newVersionLaunch=true