diff --git a/tests/scripts/test-ref-configs.pl b/tests/scripts/test-ref-configs.pl
index 09baebb..bd11c09 100755
--- a/tests/scripts/test-ref-configs.pl
+++ b/tests/scripts/test-ref-configs.pl
@@ -17,6 +17,8 @@
 use strict;
 
 my %configs = (
+    'config-symmetric-only.h' => {
+    },
     'config-suite-b.h' => {
     },
 );