1 files changed, 2 insertions, 2 deletions

diff --git a/arabluatex.dtx b/arabluatex.dtx
index dbc431d..fb96ad5 100644
--- a/arabluatex.dtx
+++ b/arabluatex.dtx
@@ -3716,8 +3716,8 @@ wa-ya.sIru ta.hta 'l-jild-i
 %    \begin{macrocode}
 \DeclareDocumentCommand{\MkArbBreak}{s m}{%
   \IfBooleanTF{#1}
-  {\luadirect{mkarbbreak(\luastringN{#1}, "out")}}
-  {\luadirect{mkarbbreak(\luastringN{#1}, "dflt")}}
+  {\luadirect{mkarbbreak(\luastringN{#2}, "out")}}
+  {\luadirect{mkarbbreak(\luastringN{#2}, "dflt")}}
 }
 %    \end{macrocode}
 % \end{macro}