diff --git a/glossary.tex b/glossary.tex
index c007f26f254a81223a8ce70e8e671f275a5c111c..b93f895e9fb4f7fc2ef8aeb6dcdeffb60fa2a70d 100644
--- a/glossary.tex
+++ b/glossary.tex
@@ -445,7 +445,6 @@ Set the darker die to `\dicef{6}' and roll the other.  If this roll fails, it fa
   parent={combat},
   category={rules},
   type={mech},
-  category={rules},
   description={start when everyone wants to speak at once.
   The \glsentrytext{gm} goes round the table clockwise as players commit to actions by spending \glsentrytext{ap}-coins},
   }