diff --git a/lib/puppet/provider/vs_bridge/ovs.rb b/lib/puppet/provider/vs_bridge/ovs.rb
index d6495009..e362c21b 100644
--- a/lib/puppet/provider/vs_bridge/ovs.rb
+++ b/lib/puppet/provider/vs_bridge/ovs.rb
@@ -1,7 +1,7 @@
 require "puppet"
 
 Puppet::Type.type(:vs_bridge).provide(:ovs) do
-  commands :vsctl => "/usr/bin/ovs-vsctl"
+  optional_commands :vsctl => "/usr/bin/ovs-vsctl"
 
   def exists?
     vsctl("br-exists", @resource[:name])
diff --git a/lib/puppet/provider/vs_port/ovs.rb b/lib/puppet/provider/vs_port/ovs.rb
index a69483b8..b7be530b 100644
--- a/lib/puppet/provider/vs_port/ovs.rb
+++ b/lib/puppet/provider/vs_port/ovs.rb
@@ -1,7 +1,7 @@
 require "puppet"
 
 Puppet::Type.type(:vs_port).provide(:ovs) do
-  commands :vsctl => "/usr/bin/ovs-vsctl"
+  optional_commands :vsctl => "/usr/bin/ovs-vsctl"
 
   def exists?
     vsctl("list-ports", @resource[:bridge]).include? @resource[:interface]