diff --git a/cdist/config.py b/cdist/config.py
index 638fdf0e..02c2ca46 100644
--- a/cdist/config.py
+++ b/cdist/config.py
@@ -175,7 +175,7 @@ class Config:
             raise cdist.Error(("Cannot read both, manifest and host file, "
                                "from stdin"))
 
-        if not (args.hostfile or args.host):
+        if not (args.hostfile or args.host or args.all_tagged_hosts):
             if args.tag or args.all_tagged_hosts:
                 raise cdist.Error(("Target host tag(s) missing"))
             else: