diff --git a/internal/collection/goa.go b/internal/collection/goa.go
index c543a151..07eb435d 100644
--- a/internal/collection/goa.go
+++ b/internal/collection/goa.go
@@ -394,7 +394,7 @@ func (w *goaWrapper) Decide(ctx context.Context, payload *goacollection.DecidePa
 		return err
 	}
 
-	if c.DecisionToken == nil || c.Status != StatusPending {
+	if len(c.DecisionToken) == 0 || c.Status != StatusPending {
 		return goacollection.MakeNotValid(errors.New("collection is not awaiting decision"))
 	}