diff --git a/src/dhcp-manager/nm-dhcp-utils.c b/src/dhcp-manager/nm-dhcp-utils.c
index 5aa25ff0c4..8cd4359abb 100644
--- a/src/dhcp-manager/nm-dhcp-utils.c
+++ b/src/dhcp-manager/nm-dhcp-utils.c
@@ -140,6 +140,7 @@ process_dhclient_rfc3442_route (const char **octets,
 			g_free (str_addr);
 			goto error;
 		}
+		g_free (str_addr);
 		tmp_addr &= nm_utils_ip4_prefix_to_netmask ((guint32) tmp);
 		route->network = tmp_addr;
 	}