diff --git a/src/conf.c b/src/conf.c
index 896b91f..b050723 100644
--- a/src/conf.c
+++ b/src/conf.c
@@ -271,9 +271,10 @@ static int h_external(int argc, unsigned char ** argv){
 	int res;
 #ifndef NOIPV6
 	struct sockaddr_in6 sa6;
+	memset(&sa6, 0, sizeof(sa6));
 	res = getip46(46, argv[1], (struct sockaddr *)&sa6);
 	if(!res) return 1; 
-	memcpy((*SAFAMILY(&sa6)==AF_INET)?(void *)&conf.extsa:(void *)&conf.extsa6, &sa6, SASIZE(&sa6)); 
+	memcpy((*SAFAMILY(&sa6)==AF_INET)?(void *)&conf.extsa:(void *)&conf.extsa6, &sa6, sizeof(sa6)); 
 #else
 	res = getip46(46, argv[1], (struct sockaddr *)&conf.extsa);
 	if(!res) return 1; 
diff --git a/src/proxymain.c b/src/proxymain.c
index 3193081..9bb367e 100644
--- a/src/proxymain.c
+++ b/src/proxymain.c
@@ -238,8 +238,9 @@ int MODULEMAINFUNC (int argc, char** argv){
 			{
 #ifndef NOIPV6
 				struct sockaddr_in6 sa6;
+				memset(&sa6, 0, sizeof(sa6));
 				error = !getip46(46, argv[i]+2, (struct sockaddr *)&sa6);
-				if(!error) memcpy((*SAFAMILY(&sa6)==AF_INET)?(void *)&srv.extsa:(void *)&srv.extsa6, &sa6, SASIZE(&sa6)); 
+				if(!error) memcpy((*SAFAMILY(&sa6)==AF_INET)?(void *)&srv.extsa:(void *)&srv.extsa6, &sa6, sizeof(sa6)); 
 #else
 				error = !getip46(46, argv[i]+2, (struct sockaddr *)&srv.extsa);
 #endif