diff --git a/manifests/quota.pp b/manifests/quota.pp
index fcf85991..65da64bf 100644
--- a/manifests/quota.pp
+++ b/manifests/quota.pp
@@ -55,24 +55,24 @@ class trove::quota (
   include ::trove::deps
 
   if $max_instances_per_user {
-    warning('max_instances_per_user deprecated, has no effect and will be removed after Newton cycle. \
-              Please use max_instances_per_tenant instead.')
+    warning("max_instances_per_user deprecated, has no effect and will be removed after Newton cycle. \
+Please use max_instances_per_tenant instead.")
     $max_instances_per_tenant_real = $max_instances_per_user
   } else {
     $max_instances_per_tenant_real = $max_instances_per_tenant
   }
 
   if $max_volumes_per_user {
-    warning('max_volumes_per_user deprecated, has no effect and will be removed after Newton cycle. \
-              Please use max_volumes_per_tenant instead.')
+    warning("max_volumes_per_user deprecated, has no effect and will be removed after Newton cycle. \
+Please use max_volumes_per_tenant instead.")
     $max_volumes_per_tenant_real = $max_volumes_per_user
   } else {
     $max_volumes_per_tenant_real = $max_volumes_per_tenant
   }
 
   if $max_backups_per_user {
-    warning('max_backups_per_user deprecated, has no effect and will be removed after Newton cycle. \
-              Please use max_backups_per_tenant instead.')
+    warning("max_backups_per_user deprecated, has no effect and will be removed after Newton cycle. \
+Please use max_backups_per_tenant instead.")
     $max_backups_per_tenant_real = $max_backups_per_user
   } else {
     $max_backups_per_tenant_real = $max_backups_per_tenant
diff --git a/manifests/taskmanager.pp b/manifests/taskmanager.pp
index 0c310043..415f0f7e 100644
--- a/manifests/taskmanager.pp
+++ b/manifests/taskmanager.pp
@@ -260,8 +260,8 @@ class trove::taskmanager(
 
   if $guestagent_config_file {
     if $use_guestagent_template {
-      warning('The tempated guestagent file is deprecated and will be removed in Ocata. \
-                Please configure options directly with the trove::guestagent class using hiera.')
+      warning("The tempated guestagent file is deprecated and will be removed in Ocata. \
+Please configure options directly with the trove::guestagent class using hiera.")
       file { $guestagent_config_file:
         content => template('trove/trove-guestagent.conf.erb'),
         require => Anchor['trove::install::end'],