diff --git a/lib/puppet/parser/functions/docker_run_flags.rb b/lib/puppet/parser/functions/docker_run_flags.rb
index 55cdf647..fa342acb 100644
--- a/lib/puppet/parser/functions/docker_run_flags.rb
+++ b/lib/puppet/parser/functions/docker_run_flags.rb
@@ -24,6 +24,8 @@ module Puppet::Parser::Functions
 
     if opts['net'].is_a? String
       flags << "--net #{opts['net'].shellescape}"
+    elsif opts['net'].is_a? Array
+      flags << "--net #{opts['net'].join(' --net ').shellescape}"
     end
 
     if opts['memory_limit']