diff --git a/src/fst/morphology/stems/adverbs.lexc b/src/fst/morphology/stems/adverbs.lexc
index 42a4e24696..47afd55fc5 100644
--- a/src/fst/morphology/stems/adverbs.lexc
+++ b/src/fst/morphology/stems/adverbs.lexc
@@ -4862,6 +4862,7 @@ nubbinbuoremusat:nubbin#buoremusat adv-sup ;
 hoahpubut adv-comp ;
 hoahpus adv ;
 ilus adv ;
+fuolas adv ;
 oaivvis adv ;
 savkosii adv ;
 árvideames adv ;