diff --git a/dictsource/ru_rules b/dictsource/ru_rules
index 76eafb2f..4b45cd6c 100644
--- a/dictsource/ru_rules
+++ b/dictsource/ru_rules
@@ -410,13 +410,13 @@
         щ (з    Z;
 
 .group ъ
-        ъ (Y    j
+        ъ (Y    _|
 
 .group ы
         ы       y
 
 .group ь
-        ь (Y    j
+        ь (Y    _|
 
 .group э
         э       E2