diff --git a/src/dda/backup/infrastructure.clj b/src/dda/backup/infrastructure.clj
index 65991db..9a92d9c 100644
--- a/src/dda/backup/infrastructure.clj
+++ b/src/dda/backup/infrastructure.clj
@@ -4,7 +4,7 @@
             [dda.backup.core.domain :as core]))
 
 (defn-spec execute! nil?
-  [commands ::core/command
+  [commands ::core/commands
    config ::core/execution]
   (let [{:keys [dry-run debug]} config]
     (doseq [c commands]