diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0a72015..3137722 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,17 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## [Unreleased]
+
+### Added
+* Add parameter `$environment` to defined type `ds_389::backup`
+
+### Changed
+* Add PATH environment variable to default backup cron job
+
+### Fixed
+* Fix "command not found" error in backup cron job due to missing PATH variable
+
 ## [2.3.0] - 2020-11-18
 
 ### Added
diff --git a/REFERENCE.md b/REFERENCE.md
index 4a4cdf8..7c0ee6d 100644
--- a/REFERENCE.md
+++ b/REFERENCE.md
@@ -324,6 +324,15 @@ or removed (`absent`).
 
 Default value: `'present'`
 
+##### `environment`
+
+Data type: `Array`
+
+Any environment settings associated with the backup cron job. Note that the
+PATH variable is automatically added to the environment.
+
+Default value: `[]`
+
 ##### `root_dn_pass`
 
 Data type: `Variant[String,Sensitive[String]]`
diff --git a/manifests/backup.pp b/manifests/backup.pp
index 8646102..5de320d 100644
--- a/manifests/backup.pp
+++ b/manifests/backup.pp
@@ -15,6 +15,10 @@
 #   This parameter controls whether the backup job should be created (`present`)
 #   or removed (`absent`).
 #
+# @param environment
+#   Any environment settings associated with the backup cron job. Note that the
+#   PATH variable is automatically added to the environment.
+#
 # @param root_dn_pass
 #   The password to use when performing the backup. Required.
 #
@@ -44,6 +48,7 @@
   Variant[String,Sensitive[String]] $root_dn_pass,
   String $server_id,
   String $ensure = 'present',
+  Array $environment = [],
   Enum['ldap','ldaps'] $protocol = 'ldaps',
   Integer $rotate = 30,
   Array $time = ['15', '23', '*'],
@@ -84,6 +89,13 @@
     show_diff => false,
   }
 
+  # Set environment variables for the cron job.
+  if ($environment) {
+    $_environment = $environment + ["PATH=${ds_389::path}"]
+  } else {
+    $_environment = ["PATH=${ds_389::path}"]
+  }
+
   # Command to perform all backup and cleanup tasks.
   $backup_command = join([
     # Create tasks to perform the backup.
@@ -101,11 +113,12 @@
   ], ' ')
 
   cron { "Backup job for ${server_id}: ${name}":
-    ensure  => $ensure,
-    command => $backup_command,
-    user    => $ds_389::user,
-    minute  => $time[0],
-    hour    => $time[1],
-    weekday => $time[2],
+    ensure      => $ensure,
+    command     => $backup_command,
+    user        => $ds_389::user,
+    environment => $_environment,
+    minute      => $time[0],
+    hour        => $time[1],
+    weekday     => $time[2],
   }
 }
diff --git a/spec/defines/backup_spec.rb b/spec/defines/backup_spec.rb
index 2814792..0e21a06 100644
--- a/spec/defines/backup_spec.rb
+++ b/spec/defines/backup_spec.rb
@@ -38,6 +38,7 @@
         it {
           is_expected.to contain_cron('Backup job for specdirectory: specbackup').with(
             command: "dsconf -D 'cn=Directory Manager' -y '/etc/dirsrv/slapd-specdirectory/backup_passwd.specbackup' ldaps://foo.example.com:636 backup create  && touch /tmp/389ds_backup_success && find '/var/lib/dirsrv/slapd-specdirectory/bak/' -mindepth 1 -maxdepth 1 -mtime +30 -print0 | xargs -0 -r rm -rf", # rubocop:disable LineLength
+            environment: ["PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin"],
             user: 'dirsrv',
             minute: '15',
             hour: '23',
@@ -90,6 +91,7 @@
             root_dn: 'cn=Directory Manager',
             root_dn_pass: 'supersecret',
             backup_dir: '/path/to/ds-backups',
+            environment: ['MAILTO=admin@example.com'],
             protocol: 'ldap',
             rotate: 10,
             server_host: 'ldap.test.org',
@@ -116,6 +118,7 @@
         it {
           is_expected.to contain_cron('Backup job for specdirectory: specbackup').with(
             command: "dsconf -D 'cn=Directory Manager' -y '/etc/dirsrv/slapd-specdirectory/backup_passwd.specbackup' ldap://ldap.test.org:1389 backup create /path/to/ds-backups && touch /tmp/hourly_backup_success && find '/path/to/ds-backups/' -mindepth 1 -maxdepth 1 -mtime +10 -print0 | xargs -0 -r rm -rf", # rubocop:disable LineLength
+            environment: ["MAILTO=admin@example.com","PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin"],
             user: 'dirsrv',
             minute: '0',
             hour: '*',