diff --git a/tests/input.at b/tests/input.at
index 78308d0c..a16289e2 100644
--- a/tests/input.at
+++ b/tests/input.at
@@ -73,10 +73,10 @@ exp: foo {} foo
    ;
 ]])
 
-AT_CHECK([bison input.y], [1], [],
-[[input.y:4.4-15: type clash on default action: <bar> != <>
-input.y:5.4-8: type clash on default action: <bar> != <>
-input.y:6.4: empty rule for typed nonterminal, and no action
+AT_CHECK([bison input.y], [], [],
+[[input.y:4.4-15: warning: type clash on default action: <bar> != <>
+input.y:5.4-8: warning: type clash on default action: <bar> != <>
+input.y:6.4: warning: empty rule for typed nonterminal, and no action
 ]])
 
 AT_CLEANUP