diff --git a/plugins/nginx/nginx_byprojects/README.md b/plugins/nginx/nginx_byprojects/README.md
index d2b59505..f095a9b7 100644
--- a/plugins/nginx/nginx_byprojects/README.md
+++ b/plugins/nginx/nginx_byprojects/README.md
@@ -16,9 +16,10 @@ Counts the in/out bandwidth used by each projects/vhost. [Logtail] (https://www.
 ## Installation
 The setup is pretty straight forward. First you need to configure the plugin:
 
-Define the path to logtail:
+In your munin plugin configuration file (for example, a new dedicated /etc/munin/plugin-conf.d/nginx_byprojects), configure the plugins : 
 
-      $logtail = '/usr/local/bin/logtail';
+      [byprojects_*]
+      env.logtail /usr/local/bin/logtail
 
 Multiple logs can be used for the same project/vhost and a regular expression (regex) can be used as a filter:
 
diff --git a/plugins/nginx/nginx_byprojects/byprojects_access b/plugins/nginx/nginx_byprojects/byprojects_access
index 81d755dd..496a0137 100644
--- a/plugins/nginx/nginx_byprojects/byprojects_access
+++ b/plugins/nginx/nginx_byprojects/byprojects_access
@@ -23,11 +23,15 @@ use strict;
 #   Test graph will be using everything file matching /home/test/log/access*.log
 #   and stuff that match the expression '"[A-Z] /test/' in /var/log/access.log
 #   such as '"GET /test/'
+#
+# Configuration
+# [byprojects_*]
+# env.logtail_path /usr/local/bin/logtail
 
 my $server = 'Nginx';
 
 my $statepath = $ENV{MUNIN_PLUGSTATE};
-my $logtail = '/usr/local/bin/logtail';
+my $logtail = $ENV{logtail_path} || '/usr/local/bin/logtail';
 
 my %logs = (
     'prod' => [
diff --git a/plugins/nginx/nginx_byprojects/byprojects_bandwidth b/plugins/nginx/nginx_byprojects/byprojects_bandwidth
index 1ccce21a..7e6d796b 100644
--- a/plugins/nginx/nginx_byprojects/byprojects_bandwidth
+++ b/plugins/nginx/nginx_byprojects/byprojects_bandwidth
@@ -29,11 +29,15 @@ use strict;
 #   Test graph will be using everything file matching /home/test/log/access*.log
 #   and stuff that match the expression '"[A-Z] /test/' in /var/log/access.log
 #   such as '"GET /test/'
+#
+# Configuration
+# [byprojects_*]
+# env.logtail_path /usr/local/bin/logtail
 
 my $server = 'Nginx';
 
 my $statepath = $ENV{MUNIN_PLUGSTATE};
-my $logtail = '/usr/local/bin/logtail';
+my $logtail = $ENV{logtail_path} || '/usr/local/bin/logtail';
 
 my %logs = (
     'prod' => [
diff --git a/plugins/nginx/nginx_byprojects/byprojects_inout_bandwidth b/plugins/nginx/nginx_byprojects/byprojects_inout_bandwidth
index 8f02826b..55358b47 100644
--- a/plugins/nginx/nginx_byprojects/byprojects_inout_bandwidth
+++ b/plugins/nginx/nginx_byprojects/byprojects_inout_bandwidth
@@ -29,11 +29,15 @@ use strict;
 #   Test graph will be using everything file matching /home/test/log/access*.log
 #   and stuff that match the expression '"[A-Z] /test/' in /var/log/access.log
 #   such as '"GET /test/'
+#
+# Configuration
+# [byprojects_*]
+# env.logtail_path /usr/local/bin/logtail
 
 my $server = 'Nginx';
 
 my $statepath = $ENV{MUNIN_PLUGSTATE};
-my $logtail = '/usr/local/bin/logtail';
+my $logtail = $ENV{logtail_path} || '/usr/local/bin/logtail';
 
 my %logs = (
     'prod' => [