diff --git a/bin/tests/system/rndc/ns5/named.conf b/bin/tests/system/rndc/ns5/named.conf
index 35ce5cbbc5..6f328eb5af 100644
--- a/bin/tests/system/rndc/ns5/named.conf
+++ b/bin/tests/system/rndc/ns5/named.conf
@@ -25,8 +25,8 @@ options {
 };
 
 key rndc_key {
-        secret "1234abcd8765";
-        algorithm hmac-sha256;
+	secret "1234abcd8765";
+	algorithm hmac-sha256;
 };
 
 controls {