diff --git a/plugins/isigen.c b/plugins/isigen.c
index fad4e205..3384e9f2 100644
--- a/plugins/isigen.c
+++ b/plugins/isigen.c
@@ -290,7 +290,7 @@ static int isigen_probe(struct ofono_modem *modem)
 	if (address) {
 		int error = g_pn_netlink_set_address(idx, address);
 		if (error && error != -EEXIST) {
-			DBG("g_pn_netlink_set_address: %s\n", strerror(-error));
+			DBG("g_pn_netlink_set_address: %s", strerror(-error));
 			g_pn_netlink_stop(link);
 			return -errno;
 		}