diff --git a/manifests/init.pp b/manifests/init.pp
index a8b666e8f7..b30b418d72 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -382,12 +382,12 @@
   case $facts['os']['name'] {
     'Debian': {
       if versioncmp($facts['os']['release']['major'], '9') >= 0 {
-        ensure_packages(['gnupg'])
+        stdlib::ensure_packages(['gnupg'])
       }
     }
     'Ubuntu': {
       if versioncmp($facts['os']['release']['full'], '17.04') >= 0 {
-        ensure_packages(['gnupg'])
+        stdlib::ensure_packages(['gnupg'])
       }
     }
     default: {
diff --git a/manifests/key.pp b/manifests/key.pp
index f6c2f6161b..9d3106dbd5 100644
--- a/manifests/key.pp
+++ b/manifests/key.pp
@@ -65,13 +65,13 @@
         case $facts['os']['name'] {
           'Debian': {
             if versioncmp($facts['os']['release']['major'], '9') >= 0 {
-              ensure_packages(['gnupg'])
+              stdlib::ensure_packages(['gnupg'])
               Apt::Key<| title == $title |>
             }
           }
           'Ubuntu': {
             if versioncmp($facts['os']['release']['full'], '17.04') >= 0 {
-              ensure_packages(['gnupg'])
+              stdlib::ensure_packages(['gnupg'])
               Apt::Key<| title == $title |>
             }
           }
diff --git a/manifests/ppa.pp b/manifests/ppa.pp
index 2a5b4a868d..61caa34e5f 100644
--- a/manifests/ppa.pp
+++ b/manifests/ppa.pp
@@ -73,7 +73,7 @@
 
   if $ensure == 'present' {
     if $package_manage {
-      ensure_packages($package_name)
+      stdlib::ensure_packages($package_name)
       $_require = [File['sources.list.d'], Package[$package_name]]
     } else {
       $_require = File['sources.list.d']
diff --git a/manifests/source.pp b/manifests/source.pp
index 420d19d451..db579240ab 100644
--- a/manifests/source.pp
+++ b/manifests/source.pp
@@ -107,7 +107,7 @@
     # Newer oses, do not need the package for HTTPS transport.
     $_transport_https_releases = ['9']
     if (fact('os.release.major') in $_transport_https_releases) and $_location =~ /(?i:^https:\/\/)/ {
-      ensure_packages('apt-transport-https')
+      stdlib::ensure_packages('apt-transport-https')
       Package['apt-transport-https'] -> Class['apt::update']
     }
   } else {