diff --git a/src/acl.c b/src/acl.c
index 1002332..aec6773 100644
--- a/src/acl.c
+++ b/src/acl.c
@@ -334,7 +334,7 @@ int
 check_acl (const char *ip, const char *host)
 {
   struct acl_s *acl;
-  int perm;
+  int perm = 0;
   size_t i;
 
   assert (ip != NULL);