diff --git a/src/proto_tcp.c b/src/proto_tcp.c
index 80f1e36..6324196 100644
--- a/src/proto_tcp.c
+++ b/src/proto_tcp.c
@@ -439,7 +439,7 @@
 
 	/* needs src ip/port for logging */
 	if (si->flags & SI_FL_SRC_ADDR) {
-		socklen_t addrlen = sizeof(si->addr.to);
+		socklen_t addrlen = sizeof(si->addr.from);
 		if (getsockname(fd, (struct sockaddr *)&si->addr.from, &addrlen) == -1) {
 			Warning("Cannot get source address for logging.\n");
 		}