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-rw-r--r--gnu/services/dns.scm2
1 files changed, 1 insertions, 1 deletions
diff --git a/gnu/services/dns.scm b/gnu/services/dns.scm
index 445e03570a..1613325645 100644
--- a/gnu/services/dns.scm
+++ b/gnu/services/dns.scm
@@ -336,7 +336,7 @@
(fold (lambda (x1 x2)
(string-append (if (symbol? x1) (symbol->string x1) x1) ", "
(if (symbol? x2) (symbol->string x2) x2)))
- (car l) (cdr l))
+ (if (symbol? (car l)) (symbol->string (car l)) (car l)) (cdr l))
"]"))))
(define (knot-acl-config acls)