diff --git a/test/documents/inline/markdown_beamer.tex.ref b/test/documents/inline/markdown_beamer.tex.ref
index 7db8c27..1645e0f 100644
--- a/test/documents/inline/markdown_beamer.tex.ref
+++ b/test/documents/inline/markdown_beamer.tex.ref
@@ -9,7 +9,7 @@ Some inline output
 
 
 \begin{lstlisting}
-(*@\HLJLnf{println}@*)(*@\HLJLp{(}@*)(*@\HLJLs{"Testing output"}@*)(*@\HLJLp{)}@*)
+(*@\HLJLnf{println}@*)(*@\HLJLp{(}@*)(*@\HLJLs{"{}Testing{\mbox{\space}}output"{}}@*)(*@\HLJLp{)}@*)
 \end{lstlisting}
 
 \begin{lstlisting}