diff --git a/nb_pdf_template/templates/style_jupyter.tplx b/nb_pdf_template/templates/style_jupyter.tplx
index 7626a90..6639826 100644
--- a/nb_pdf_template/templates/style_jupyter.tplx
+++ b/nb_pdf_template/templates/style_jupyter.tplx
@@ -23,6 +23,13 @@
     \expandafter\def\csname PY@tok@o\endcsname{\def\PY@tc##1{\textcolor[HTML]{AA22FF}{\codetrue##1\codefalse}}} %operator
     \makeatother
 
+    \makeatletter
+    \newcommand*\@iflatexlater{\@ifl@t@r\fmtversion}
+    \@iflatexlater{2016/03/01}{
+	    \newcommand{\wordboundary}{4095}}{
+	    \newcommand{\wordboundary}{255}}
+    \makeatother
+
     \newif\ifcode
     \codefalse
     \definecolor{Grey}{rgb}{0.40,0.40,0.40}
@@ -33,10 +40,10 @@
     \XeTeXcharclass `. \mycharclassGrey
     \XeTeXinterchartoks 0 \mycharclassGrey   = {\bgroup\ifcode\color{Grey}\else\fi}
 
-    \XeTeXinterchartoks 4095 \mycharclassGrey = {\bgroup\ifcode\color{Grey}\else\fi}
+    \XeTeXinterchartoks \wordboundary \mycharclassGrey = {\bgroup\ifcode\color{Grey}\else\fi}
 
     \XeTeXinterchartoks \mycharclassGrey 0   = {\egroup}
-    \XeTeXinterchartoks \mycharclassGrey 4095 = {\egroup}
+    \XeTeXinterchartoks \mycharclassGrey \wordboundary = {\egroup}
     \fi %end magical operator highlighting
     %End Reconfigured Pygments
     ((* endblock repygments *))
diff --git a/nb_pdf_template/templates/style_jupyter_minted.tplx b/nb_pdf_template/templates/style_jupyter_minted.tplx
index 802fb0d..900016d 100644
--- a/nb_pdf_template/templates/style_jupyter_minted.tplx
+++ b/nb_pdf_template/templates/style_jupyter_minted.tplx
@@ -14,6 +14,13 @@
     ((( super() )))
 % Pygments definitions
     ((* block repygments *))
+    \makeatletter
+    \newcommand*\@iflatexlater{\@ifl@t@r\fmtversion}
+    \@iflatexlater{2016/03/01}{
+	    \newcommand{\wordboundary}{4095}}{
+	    \newcommand{\wordboundary}{255}}
+    \makeatother
+
     \newif\ifcode
     \codefalse
     \definecolor{Grey}{rgb}{0.40,0.40,0.40}
@@ -24,10 +31,10 @@
     \XeTeXcharclass `. \mycharclassGrey
     \XeTeXinterchartoks 0 \mycharclassGrey   = {\bgroup\ifcode\color{Grey}\else\fi}
 
-    \XeTeXinterchartoks 4095 \mycharclassGrey = {\bgroup\ifcode\color{Grey}\else\fi}
+    \XeTeXinterchartoks \wordboundary \mycharclassGrey = {\bgroup\ifcode\color{Grey}\else\fi}
 
     \XeTeXinterchartoks \mycharclassGrey 0   = {\egroup}
-    \XeTeXinterchartoks \mycharclassGrey 4095 = {\egroup}
+    \XeTeXinterchartoks \mycharclassGrey \wordboundary = {\egroup}
     \fi %end magical operator highlighting
     %End Reconfigured Pygments
     ((* endblock repygments *))
diff --git a/setup.py b/setup.py
index c813b88..ecd315b 100644
--- a/setup.py
+++ b/setup.py
@@ -4,7 +4,7 @@
     long_description = f.read()
 
 setup(name='nb_pdf_template',
-      version='2.1.dev1',
+      version='2.0.1',
       description='LaTeX templates for jupyter notebook conversion to pdf',
       long_description=long_description,
       long_description_content_type='text/markdown',