diff --git a/hledger/Hledger/Cli/CliOptions.hs b/hledger/Hledger/Cli/CliOptions.hs
index 9cf447310..7ab6a5e56 100644
--- a/hledger/Hledger/Cli/CliOptions.hs
+++ b/hledger/Hledger/Cli/CliOptions.hs
@@ -886,6 +886,8 @@ addonExtensions =
   ,"rb"
   ,"rkt"
   ,"sh"
+  ,"osh"
+  ,"ysh"
   -- ,""
   ]