1 files changed, 1 insertions, 0 deletions

diff --git a/arabluatex_fullvoc.lua b/arabluatex_fullvoc.lua
index e40601b..d327479 100644
--- a/arabluatex_fullvoc.lua
+++ b/arabluatex_fullvoc.lua
@@ -952,6 +952,7 @@ singlefv = {
    {a="\"$", b=""},
    {a="\"(%W)", b="%1"},
    {a="\"([^uaiUAI])", b="%1"},
+   {a="o", b="ْ"}, -- hard-coded sukūn
    {a="([^0-9])%-([^0-9])", b="%1%2"},
    {a="B", b="ـ"},
 }