diff --git a/nullptr/commander.py b/nullptr/commander.py
index 13464af..e9eb09c 100644
--- a/nullptr/commander.py
+++ b/nullptr/commander.py
@@ -227,6 +227,10 @@ class Commander(CommandLine):
     resource = delivery['trade_symbol']
     self.api.deliver(self.ship, resource, contract)
     pprint(contract)
+  
+  def do_fulfill(self):
+    contract = self.active_contract()
+    self.api.fulfill(contract)
     
   def do_ship(self, arg=''):
     if arg != '':