diff --git a/packaging/apt_key b/packaging/apt_key
index e071833c3be..57cc48c967c 100644
--- a/packaging/apt_key
+++ b/packaging/apt_key
@@ -199,7 +199,7 @@ def main():
             if key_id.startswith('0x'):
                 key_id = key_id[2:]
         except ValueError:
-            module.fail_json("Invalid key_id")
+            module.fail_json(msg="Invalid key_id", id=key_id)
 
     # FIXME: I think we have a common facility for this, if not, want
     check_missing_binaries(module)