diff --git a/examples/mqtt-over-ws-client/main.c b/examples/mqtt-over-ws-client/main.c
index ee2ff535..032f285f 100644
--- a/examples/mqtt-over-ws-client/main.c
+++ b/examples/mqtt-over-ws-client/main.c
@@ -32,7 +32,7 @@ static void fn(struct mg_connection *c, int ev, void *ev_data, void *fn_data) {
                                 .will_topic = mg_str(s_topic),
                                 .will_message = mg_str("goodbye")};
     size_t len = c->send.len;
-    mg_mqtt_login(c, s_url, &opts);
+    mg_mqtt_login(c, &opts);
     mg_ws_wrap(c, c->send.len - len, WEBSOCKET_OP_BINARY);
   } else if (ev == MG_EV_WS_MSG) {
     struct mg_mqtt_message mm;
diff --git a/mongoose.c b/mongoose.c
index 3dcfe7ab..b7f0355d 100644
--- a/mongoose.c
+++ b/mongoose.c
@@ -1336,7 +1336,6 @@ static void printdirentry(const char *name, void *userdata) {
     struct tm tm;
     if (flags & MG_FS_DIR) {
       snprintf(sz, sizeof(sz), "%s", "[DIR]");
-      size = -1;
     } else if (size < 1024) {
       snprintf(sz, sizeof(sz), "%d", (int) size);
     } else if (size < 0x100000) {
@@ -1351,7 +1350,8 @@ static void printdirentry(const char *name, void *userdata) {
     mg_printf(d->c,
               "  <tr><td><a href=\"%.*s%s\">%s%s</a></td>"
               "<td name=%lu>%s</td><td name=" MG_INT64_FMT ">%s</td></tr>\n",
-              n, path, slash, name, slash, (unsigned long) t, mod, size, sz);
+              n, path, slash, name, slash, (unsigned long) t, mod,
+              flags & MG_FS_DIR ? (int64_t) -1 : (int64_t) size, sz);
   }
 }
 
diff --git a/src/http.c b/src/http.c
index 4b5070a4..f65478d7 100644
--- a/src/http.c
+++ b/src/http.c
@@ -587,7 +587,6 @@ static void printdirentry(const char *name, void *userdata) {
     struct tm tm;
     if (flags & MG_FS_DIR) {
       snprintf(sz, sizeof(sz), "%s", "[DIR]");
-      size = -1;
     } else if (size < 1024) {
       snprintf(sz, sizeof(sz), "%d", (int) size);
     } else if (size < 0x100000) {
@@ -602,7 +601,8 @@ static void printdirentry(const char *name, void *userdata) {
     mg_printf(d->c,
               "  <tr><td><a href=\"%.*s%s\">%s%s</a></td>"
               "<td name=%lu>%s</td><td name=" MG_INT64_FMT ">%s</td></tr>\n",
-              n, path, slash, name, slash, (unsigned long) t, mod, size, sz);
+              n, path, slash, name, slash, (unsigned long) t, mod,
+              flags & MG_FS_DIR ? (int64_t) -1 : (int64_t) size, sz);
   }
 }