diff --git a/src/fst/morphology/affixes/verbs.lexc b/src/fst/morphology/affixes/verbs.lexc
index 27a18f7e..c07790c9 100644
--- a/src/fst/morphology/affixes/verbs.lexc
+++ b/src/fst/morphology/affixes/verbs.lexc
@@ -730,6 +730,7 @@ LEXICON VERB-ZERO-12
 LEXICON VERB-ZERO-13
 @U.CONJ-PX.13@+ScSg1+OcSg3:@U.CONJ-PX.13@%>са VerbEnd ;
 @U.CONJ-PX.13@+ScSg1+OcSg3+Err/Orth-soft-loss:@U.CONJ-PX.13@%^Ь2ZERO%>са VerbEnd ;
+@U.CONJ-PX.13@+ScSg1+OcSg3+Err/Orth:@U.CONJ-PX.13@%>сан VerbEnd ;
 
 LEXICON VERB-ZERO-15
 @U.CONJ-PX.15@+ScSg1+OcPl2:@U.CONJ-PX.15@%>%{Х%}тядязь VerbEnd ;