diff --git a/modules/network.c b/modules/network.c
index 7166e24..0cc8cb6 100644
--- a/modules/network.c
+++ b/modules/network.c
@@ -1498,7 +1498,8 @@ conf_verify_poll_interval(keychain_t *chain, const struct yml_node *node)
     if (!conf_verify_unsigned(chain, node))
         return false;
 
-    if (yml_value_as_int(node) < min_poll_interval) {
+    int interval = yml_value_as_int(node);
+    if (interval > 0 && interval < min_poll_interval) {
         LOG_ERR("%s: interval value cannot be less than %ldms",
                 conf_err_prefix(chain, node), min_poll_interval);
         return false;