diff --git a/manifests/certonly.pp b/manifests/certonly.pp
index ab571bf8..54bca3bc 100644
--- a/manifests/certonly.pp
+++ b/manifests/certonly.pp
@@ -21,7 +21,7 @@
 # [*additional_args*]
 #   An array of additional command line arguments to pass to the
 #   `letsencrypt-auto` command.
-# [*environment*]
+# [*venv_vars*]
 #   An optional array of environment variables (in addition to VENV_PATH).
 # [*manage_cron*]
 #   Boolean indicating whether or not to schedule cron job for renewal.
@@ -39,7 +39,7 @@
   Array[Stdlib::Unixpath]                   $webroot_paths        = [],
   String[1]                                 $letsencrypt_command  = $letsencrypt::command,
   Array[String[1]]                          $additional_args      = [],
-  Array[String[1]]                          $environment          = [],
+  Array[String[1]]                          $venv_vars            = [],
   Boolean                                   $manage_cron          = false,
   Boolean                                   $suppress_cron_output = false,
   Optional[String[1]]                       $cron_before_command  = undef,
@@ -82,7 +82,7 @@
   $command = "${command_start}${command_domains}${command_end}"
   $live_path = "${config_dir}/live/${domains[0]}/cert.pem"
 
-  $execution_environment = [ "VENV_PATH=${letsencrypt::venv_path}", ] + $environment
+  $execution_environment = [ "VENV_PATH=${letsencrypt::venv_path}", ] + $venv_vars
   $verify_domains = join($domains, ' -d ')
   exec { "letsencrypt certonly ${title}":
     command     => $command,
diff --git a/manifests/init.pp b/manifests/init.pp
index 75dd27c1..7a0cc21d 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -9,7 +9,7 @@
 #   precedence over an 'email' setting defined in $config.
 # [*path*]
 #   The path to the letsencrypt installation.
-# [*environment*]
+# [*venv_vars*]
 #   An optional array of environment variables (in addition to VENV_PATH)
 # [*repo*]
 #   A Git URL to install the Let's encrypt client from.
@@ -54,8 +54,8 @@
 class letsencrypt (
   Optional[String] $email                = undef,
   String $path                           = $letsencrypt::params::path,
-  $venv_path                             = $letsencrypt::params::venv_path,
-  Array $environment                     = [],
+  $venv_path                             = [],
+  Array $venv_vars                       = $letsencrypt::params::venv_vars,
   String $repo                           = $letsencrypt::params::repo,
   String $version                        = $letsencrypt::params::version,
   String $package_name                   = $letsencrypt::params::package_name,
@@ -98,7 +98,7 @@
   exec { 'initialize letsencrypt':
     command     => "${command_init} -h",
     path        => $::path,
-    environment => concat([ "VENV_PATH=${venv_path}" ], $environment),
+    environment => concat([ "VENV_PATH=${venv_path}" ], $venv_vars),
     refreshonly => true,
   }
 }
diff --git a/spec/classes/letsencrypt_spec.rb b/spec/classes/letsencrypt_spec.rb
index eb20be4d..1d2b2840 100644
--- a/spec/classes/letsencrypt_spec.rb
+++ b/spec/classes/letsencrypt_spec.rb
@@ -41,8 +41,7 @@
         end
 
         describe 'with custom environment variables' do
-          let(:additional_params) { { environment: ['FOO=bar', 'FIZZ=buzz'] } }
-
+          let(:additional_params) { { venv_vars: ['FOO=bar', 'FIZZ=buzz'] } }
           it { is_expected.to contain_exec('initialize letsencrypt').with_environment(['VENV_PATH=/opt/letsencrypt/.venv', 'FOO=bar', 'FIZZ=buzz']) }
         end
 
diff --git a/spec/defines/letsencrypt_certonly_spec.rb b/spec/defines/letsencrypt_certonly_spec.rb
index e78709be..addd6bc3 100644
--- a/spec/defines/letsencrypt_certonly_spec.rb
+++ b/spec/defines/letsencrypt_certonly_spec.rb
@@ -137,14 +137,13 @@
 
       describe 'when specifying custom environment variables' do
         let(:title) { 'foo.example.com' }
-        let(:params) { { environment: ['FOO=bar', 'FIZZ=buzz'] } }
-
+        let(:params) { { venv_vars: ['FOO=bar', 'FIZZ=buzz'] } }
         it { is_expected.to contain_exec('letsencrypt certonly foo.example.com').with_environment(['VENV_PATH=/opt/letsencrypt/.venv', 'FOO=bar', 'FIZZ=buzz']) }
       end
 
       context 'with custom environment variables and manage cron' do
         let(:title) { 'foo.example.com' }
-        let(:params) { { environment: ['FOO=bar', 'FIZZ=buzz'], manage_cron: true } }
+        let(:params) { { venv_vars: ['FOO=bar', 'FIZZ=buzz'], manage_cron: true } }
 
         it { is_expected.to contain_file('/var/lib/puppet/letsencrypt/renew-foo.example.com.sh').with_content "#!/bin/sh\nexport VENV_PATH=/opt/letsencrypt/.venv\nexport FOO=bar\nexport FIZZ=buzz\nletsencrypt --text --agree-tos --non-interactive certonly -a standalone --keep-until-expiring --cert-name foo.example.com -d foo.example.com\n" }
       end