diff --git a/command.fnl b/command.fnl
index a918ebd..e3d0c85 100644
--- a/command.fnl
+++ b/command.fnl
@@ -122,8 +122,9 @@
   (if (not result.active)
       (completions-widget:hide))
   (set entry.text (or result.default result.error ""))
-  (widget.parent:set_visible_child_name
-   (if result.active "commander" "echo-area")))
+  (when widget.parent
+    (widget.parent:set_visible_child_name
+     (if result.active "commander" "echo-area"))))
 
 (fn on-input [self str]
   (match self.state
diff --git a/test/command.fnl b/test/command.fnl
index dc11508..8982661 100644
--- a/test/command.fnl
+++ b/test/command.fnl
@@ -20,7 +20,7 @@
 (let [commander (Command.commander)
       (ok err)
       (match-try (commander:activate)
-        {:active true} (commander:on-activate "not-a-command")
+        {:active true} (commander:on-input-finished "not-a-command")
         (where {:error e :active false} (e:match "can't find command")) true
         (catch
          x (values nil (view x))))]
@@ -30,9 +30,9 @@
 (let [commander (Command.commander)
       (ok err)
       (match-try  (commander:activate)
-        {:active true} (commander:on-activate "multiply")
-        {:active true :prompt p1} (commander:on-activate "2")
-        {:active true :prompt p2} (commander:on-activate "3")
+        {:active true} (commander:on-input-finished "multiply")
+        {:active true :prompt p1} (commander:on-input-finished "2")
+        {:active true :prompt p2} (commander:on-input-finished "3")
         (where {:active false} (= happened 6)) true
         (catch
          x (values nil (view x))))]