1 files changed, 1 insertions, 0 deletions

diff --git a/arabluatex_trans.lua b/arabluatex_trans.lua
index 86a55b0..e758d77 100644
--- a/arabluatex_trans.lua
+++ b/arabluatex_trans.lua
@@ -902,6 +902,7 @@ trigraphstrarabica = { -- trigraphs or more
 digraphstrarabica = {
    {a="([uai]%-)(\"?[uai])", b="%1"}, -- hyphen + initial alif without hamza
    {a="([UAIYuai])(%s)([%(%[%|%<]?)(\"?[uai])", b="%1%2%3"}, --p
+   {a="(o[%S]-)([UAIuai])(o)(\"?[uai])", b=""},
    {a="@", b=""}, -- remove the tag before the former hamza
    -- discard the ʾiʿrāb hyphen (begin)
    {a="(%-)(\"?[UI]na)(%p?%s)", b="%2%3"},