diff --git a/roles/winbind/library/ads_member b/roles/winbind/library/ads_member
index e312b2a..12e5c16 100644
--- a/roles/winbind/library/ads_member
+++ b/roles/winbind/library/ads_member
@@ -32,7 +32,7 @@ def join_domain(username, password):
         stderr=subprocess.STDOUT,
         env=_make_env(),
     )
-    output = p.communicate(password.encode('utf-8'))
+    output = p.communicate(password.encode('utf-8'))[0]
     if p.wait() != 0:
         raise JoinFailed(output.decode('utf-8'))
 
@@ -46,7 +46,7 @@ def leave_domain(username, password):
         stderr=subprocess.STDOUT,
         env=_make_env(),
     )
-    output = p.communicate(password.encode('utf-8'))
+    output = p.communicate(password.encode('utf-8'))[0]
     if p.wait() != 0:
         raise JoinFailed(output.decode('utf-8'))
 
@@ -95,7 +95,7 @@ def main():
             try:
                 join_domain(username, password)
             except JoinFailed as e:
-                module.fail_json(message=e.args[0])
+                module.fail_json(msg=e.args[0])
 
     module.exit_json(changed=changed)