diff --git a/clatd.c b/clatd.c
index 43fb5c6..1ca46a3 100644
--- a/clatd.c
+++ b/clatd.c
@@ -144,6 +144,7 @@
  * tunnel - tun device data
  */
 void configure_tun_ipv6(const struct tun_data *tunnel) {
+  struct in6_addr local_nat64_prefix_6;
   int status;
 
   status = if_route(tunnel->device6, AF_INET6, &Global_Clatd_Config.ipv6_local_subnet,
@@ -376,6 +377,7 @@
     logmsg(ANDROID_LOG_WARN,"read_packet/tun interface removed");
     running = 0;
   } else {
+    struct tun_pi tun_header;
     ssize_t header_size = sizeof(struct tun_pi);
 
     if(readlen < header_size) {