diff --git a/Dockerfile b/Dockerfile
index 197c110..0997a53 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -43,6 +43,7 @@ RUN chmod +x /usr/bin/rmauth
 # manage default value
 ENV GITUSER gituser
 ENV GITPASSWORD gitpassword
+ENV GITHIGHLIGHT 0
 
 # add ihm mdl
 ENV IHM no-mdl
diff --git a/README.md b/README.md
index 4bf9dbc..c5e8089 100644
--- a/README.md
+++ b/README.md
@@ -14,6 +14,7 @@ load when start image load file in
 - GITPROJECT
 - GITUSER (default gituser)
 - GITPASSWORD (default gitpassword)
+- GITHIGHLIGHT (default `0`)
 - IHM (default "")
 
 ## Volume
diff --git a/src/entrypoint.sh b/src/entrypoint.sh
index 07a910a..8ca0efd 100644
--- a/src/entrypoint.sh
+++ b/src/entrypoint.sh
@@ -30,6 +30,11 @@ if [ "$1" = 'app' ]; then
         cat /usr/share/gitweb/ihm/headstring.conf >> /etc/gitweb.conf
         cp /usr/share/gitweb/ihm/gitweb.css /usr/share/gitweb/static/gitweb.css
     fi  
+    if [ "$GITHIGHLIGHT" = "1" ]; then
+        echo '' >> /etc/gitweb.conf
+        echo '# enable syntax highlighting' >> /etc/gitweb.conf
+        echo "\$feature{'highlight'}{'default'} = [1];" >> /etc/gitweb.conf
+    fi
     service fcgiwrap start
     nginx -g "daemon off;"
     /bin/run-parts --verbose --regex '\.(sh)$' "/usr/share/gitweb/docker-entrypoint.post"