diff --git a/tests/data/test3015 b/tests/data/test3015
index fbc6eadb8f..9adc88a350 100644
--- a/tests/data/test3015
+++ b/tests/data/test3015
@@ -71,7 +71,7 @@ Accept: */*
 
 </protocol>
 
-<stdout>
+<stdout mode="text">
 4
 </stdout>