diff --git a/plans/smoke.fmf b/plans/smoke.fmf
index dcc95fd..6faab89 100644
--- a/plans/smoke.fmf
+++ b/plans/smoke.fmf
@@ -1,4 +1,9 @@
 summary: Basic smoke test
+discover:
+  how: shell
+  tests:
+    - name: /smoke/empty-grammar
+      test: |
+        echo 'non terminal bar; bar::=;' | cup
 execute:
-  script:
-    - echo 'non terminal bar; bar::=;' | cup
+  how: tmt