2 files changed, 4 insertions, 3 deletions

diff --git a/arabluatex.dtx b/arabluatex.dtx
index 289512f..2672655 100644
--- a/arabluatex.dtx
+++ b/arabluatex.dtx
@@ -3988,10 +3988,10 @@ wa-ya.sIru ta.hta 'l-jild-i
 \AtBeginDocument{%
   \ifdefined\abjad%
   \RenewDocumentCommand{\abjad}{m}%
-  {\luadirect{tex.sprint(abjadify(#1))}}%
+  {\luadirect{tex.sprint(abjadify(\luastring{#1}))}}%
   \else%
   \NewDocumentCommand{\abjad}{m}%
-  {\luadirect{tex.sprint(abjadify(#1))}}
+  {\luadirect{tex.sprint(abjadify(\luastring{#1}))}}
 \fi}
 %    \end{macrocode}
 % \end{macro}
diff --git a/arabluatex.lua b/arabluatex.lua
index 7a7460a..f0c03c6 100644
--- a/arabluatex.lua
+++ b/arabluatex.lua
@@ -760,7 +760,8 @@ end
 -- Hosny's that dates back to 2010. Thanks to him.
 -- See https://github.com/khaledhosny/lualatex-arabic
 function abjadify(n)
-    local abjadnum = ""
+   local abjadnum = ""
+   n = tonumber(n)
     if n >= 1000 then
         for i=1,math.floor(n/1000) do
             abjadnum = abjadnum .. abjad[4][1]