diff --git a/tex/workshop_style.tex b/tex/workshop_style.tex
index 191de3c..d566807 100644
--- a/tex/workshop_style.tex
+++ b/tex/workshop_style.tex
@@ -35,7 +35,8 @@
         numbers=left,
         showstringspaces=false,
         numberstyle=\tiny,
-        frame=leftline,
+        %frame=leftline,
+        numbersep=4.5pt,
   keywordstyle=\color{keywords}\bfseries,
   commentstyle=\color{YellowOrange}\emph
 }