diff --git a/manifests/params.pp b/manifests/params.pp
index 862b6f1..504af85 100644
--- a/manifests/params.pp
+++ b/manifests/params.pp
@@ -1,60 +1,62 @@
 # This class is meant to be called from the locp-cassandra module.
 # It sets variables according to platform.
 class cassandra::params {
   case $facts['os']['family'] {
     'Debian': {
       case $facts['os']['release']['major'] {
         '12.04': {
           $net_ipv4_tcp_rmem = '4096 87380 16777216'
           $net_ipv4_tcp_wmem = '4096 65536 16777216'
           $java_package = 'openjdk-7-jre-headless'
         }
         '18.04': {
           $net_ipv4_tcp_rmem = '4096 87380 16777216'
           $net_ipv4_tcp_wmem = '4096 65536 16777216'
           $java_package = 'openjdk-8-jre-headless'
         }
         # non-Ubuntu Debian is just... Debian
         default: {
           $net_ipv4_tcp_rmem = '4096, 87380, 16777216'
           $net_ipv4_tcp_wmem = '4096, 65536, 16777216'
           $java_package = 'openjdk-7-jre-headless'
         }
       }
 
       $cassandra_pkg = 'cassandra'
       $config_path = '/etc/cassandra'
       $jna_package_name = 'libjna-java'
       $optutils_package_name = 'cassandra-tools'
       $sysctl_file = '/etc/sysctl.d/10-cassandra.conf'
       $systemctl = '/bin/systemctl'
+      $use_scl = false
+      $scl_name = 'nodefault'
     }
     'RedHat': {
       case $facts['os']['release']['major'] {
         '6': {
           $net_ipv4_tcp_rmem = '4096 87380 16777216'
           $net_ipv4_tcp_wmem = '4096 65536 16777216'
           $sysctl_file = '/etc/sysctl.conf'
         }
         '7': {
           $net_ipv4_tcp_rmem = '4096, 87380, 16777216'
           $net_ipv4_tcp_wmem = '4096, 65536, 16777216'
           $sysctl_file = '/etc/sysctl.d/10-cassandra.conf'
         }
         default: {}
       }
 
       $cassandra_pkg = 'cassandra22'
       $config_path = '/etc/cassandra/default.conf'
       $java_package = 'java-1.8.0-openjdk-headless'
       $jna_package_name = 'jna'
       $optutils_package_name = 'cassandra22-tools'
       $systemctl = '/usr/bin/systemctl'
       $use_scl = false
       $scl_name = 'nodefault'
     }
     default: {
       $config_path_parents = []
     }
   }
 }