diff --git a/resource/bulgarian/ResBul.gf b/resource/bulgarian/ResBul.gf
index 4eacfa4e..ccc21e45 100644
--- a/resource/bulgarian/ResBul.gf
+++ b/resource/bulgarian/ResBul.gf
@@ -215,7 +215,7 @@ resource ResBul = ParamX ** open Prelude in {
         ASg Fem  Def   => dobrata ;
         ASg Neut Indef => dobro ;
         ASg Neut Def   => dobroto ;
-        APl NDet       => dobri ;
+        APl Indef      => dobri ;
         APl Def        => dobrite
         }
       } ;