diff --git a/net.c b/net.c
index f09183e..45dca7a 100644
--- a/net.c
+++ b/net.c
@@ -502,7 +502,8 @@ int redisContextConnectUnix(redisContext *c, const char *path, const struct time
     sa = (struct sockaddr_un*)(c->saddr = malloc(sizeof(struct sockaddr_un)));
     c->addrlen = sizeof(struct sockaddr_un);
     sa->sun_family = AF_UNIX;
-    strncpy(sa->sun_path,path,sizeof(sa->sun_path)-1);
+    c->addrlen = sizeof(*sa);
+    strncpy(sa->sun_path, path, sizeof(sa->sun_path) - 1);
     if (connect(c->fd, (struct sockaddr*)sa, sizeof(*sa)) == -1) {
         if (errno == EINPROGRESS && !blocking) {
             /* This is ok. */