diff --git a/bin/tests/system/auth/tests.sh b/bin/tests/system/auth/tests.sh
index ee77923c37..293d0f86f4 100644
--- a/bin/tests/system/auth/tests.sh
+++ b/bin/tests/system/auth/tests.sh
@@ -179,7 +179,7 @@ status=$(expr $status + $ret)
 n=$(expr $n + 1)
 echo_i "check that CHAOS addresses are compared correctly ($n)"
 ret=0
-$DIG $DIGOPTS @10.53.0.1 +noall +answer ch test.example.chaos >dig.out.test$n
+$DIG $DIGOPTS @10.53.0.1 +noall +answer ch test.example.chaos >dig.out.test$n || ret=1
 lines=$(wc -l <dig.out.test$n)
 [ ${lines:-0} -eq 2 ] || ret=1
 [ $ret -eq 0 ] || echo_i "failed"