diff --git a/runtests b/runtests
index fda1564..2e47233 100755
--- a/runtests
+++ b/runtests
@@ -75,7 +75,7 @@ def _gen():
         print('runtests: skip on {}'.format(go_version), file=sys.stderr)
         return
 
-    _run('go generate .')
+    _run('go generate ./...')
     _run('git diff --exit-code')