diff --git a/plstackapi/openstack/manager.py b/plstackapi/openstack/manager.py
index 96947c9..aa2c22f 100644
--- a/plstackapi/openstack/manager.py
+++ b/plstackapi/openstack/manager.py
@@ -38,7 +38,7 @@
             self.driver = OpenStackDriver(client=self.client) 
             
             if caller:
-                self.caller = caller:
+                self.caller = caller
             else:
                 self.caller = self.driver.admin_user
                 self.caller.user_id = self.caller.id