diff --git a/site-cookbooks/kosmos-bitcoin/recipes/source.rb b/site-cookbooks/kosmos-bitcoin/recipes/source.rb
index 2c32084..5f5f02f 100644
--- a/site-cookbooks/kosmos-bitcoin/recipes/source.rb
+++ b/site-cookbooks/kosmos-bitcoin/recipes/source.rb
@@ -119,7 +119,7 @@ systemd_unit 'bitcoind.service' do
     Service: {
       User: bitcoin_user,
       Type: 'simple',
-      ExecStart: "bitcoind -datadir=#{bitcoin_datadir} -pid=#{bitcoin_datadir}/bitcoind.pid",
+      ExecStart: "bitcoind -datadir=#{bitcoin_datadir} -walletdir=#{bitcoin_walletdir} -pid=#{bitcoin_datadir}/bitcoind.pid",
       PIDFile: "#{bitcoin_datadir}/bitcoind.pid",
       Restart: 'always',
       PrivateTmp: true,