diff --git a/dictsource/ar_rules b/dictsource/ar_rules
index b9f3fd8a..6a87d2a3 100644
--- a/dictsource/ar_rules
+++ b/dictsource/ar_rules
@@ -369,6 +369,7 @@
           َى          a:
           ٰ           a:  // superscript alef
           ِ           i   // kasra
+         ِي           i:  // kasra+yeh
           َ           %a  // fatha
       C)  ٓ           ?   // madda after consonant