diff --git a/manifests/analytics/services.pp b/manifests/analytics/services.pp
index 7378311..730feff 100644
--- a/manifests/analytics/services.pp
+++ b/manifests/analytics/services.pp
@@ -74,15 +74,15 @@ class midonet::analytics::services (
       elsif $::osfamily == 'Debian' {
         $analytics_notifications = undef
         exec {'update-ca-certificates -f':
-          path   => ['/usr/bin', '/usr/sbin','/bin'],
+          path   => ['/usr/bin', '/usr/sbin','/sbin','/bin'],
           before => Package['midonet_tools'],
         }
         exec { $logstash_command:
-          path    => ['/usr/bin', '/usr/sbin','/sbin'],
+          path    => ['/usr/bin', '/usr/sbin','/sbin','/bin'],
           require => Package['analytics'],
         }
         exec { 'service elasticsearch-es-01 restart':
-          path    => ['/usr/bin', '/usr/sbin',],
+          path    => ['/usr/bin', '/usr/sbin','/bin','/sbin'],
           require => Package['analytics'],
         }
       }
diff --git a/manifests/mem.pp b/manifests/mem.pp
index dbb3916..de26788 100644
--- a/manifests/mem.pp
+++ b/manifests/mem.pp
@@ -187,11 +187,11 @@ class midonet::mem(
 
   $mem_login_host                 = "${api_proto}${cluster_ip}${mem_api_port}"
   $mem_trace_api_host             = "${api_proto}${cluster_ip}${mem_api_port}"
-  $mem_traces_ws_url              = "${$mem_ws}${cluster_ip}${mem_trace_port}/${mem_trace_namespace}"
+  $mem_traces_ws_url              = "${mem_ws}${cluster_ip}${mem_trace_port}/${mem_trace_namespace}"
   $mem_api_host                   = "${api_proto}${cluster_ip}${mem_api_port}"
-  $mem_analytics_ws_api_url       = "${$mem_ws}${analytics_ip}${mem_analytics_port}/${mem_analytics_namespace}"
-  $mem_subscriptions_ws_api_url   = "${$mem_ws}${cluster_ip}${mem_subscription_port}/subscription"
-  $mem_fabric_ws_api_url          = "${$mem_ws}${cluster_ip}${mem_fabric_port}/fabric"
+  $mem_analytics_ws_api_url       = "${mem_ws}${analytics_ip}${mem_analytics_port}/${mem_analytics_namespace}"
+  $mem_subscriptions_ws_api_url   = "${mem_ws}${cluster_ip}${mem_subscription_port}/subscription"
+  $mem_fabric_ws_api_url          = "${mem_ws}${cluster_ip}${mem_fabric_port}/fabric"
   $mem_apache_servername          = $cluster_ip