diff --git a/test/config.sh b/test/config.sh
index 50cf0a3f..5efbf5e7 100644
--- a/test/config.sh
+++ b/test/config.sh
@@ -124,8 +124,7 @@ assert_dns_record() {
     exp_ips_regex=$(echo "$@" | sed -r 's/ /\\\|/g')
 
     [ -z "$DEBUG" ] || greyly echo "Checking whether $name exists at $host:$container"
-    got_ip=$(exec_on $host $container getent hosts $name)
-    assert_raises "echo '$got_ip' | grep -q '$exp_ips_regex'"
+    assert_raises "exec_on $host $container getent hosts $name | grep -q '$exp_ips_regex'"
 
     [ -z "$DEBUG" ] || greyly echo "Checking whether the IPs '$@' exists at $host:$container"
     for ip in "$@" ; do