diff --git a/boards/xtensa/esp32/esp32-ethernet-kit/src/esp32_bringup.c b/boards/xtensa/esp32/esp32-ethernet-kit/src/esp32_bringup.c
index 29230a6fe3..a858258554 100644
--- a/boards/xtensa/esp32/esp32-ethernet-kit/src/esp32_bringup.c
+++ b/boards/xtensa/esp32/esp32-ethernet-kit/src/esp32_bringup.c
@@ -134,6 +134,17 @@ int esp32_bringup(void)
     }
 #endif
 
+#ifdef CONFIG_FS_TMPFS
+  /* Mount the tmpfs file system */
+
+  ret = nx_mount(NULL, CONFIG_LIBC_TMPDIR, "tmpfs", 0, NULL);
+  if (ret < 0)
+    {
+      syslog(LOG_ERR, "ERROR: Failed to mount tmpfs at %s: %d\n",
+             CONFIG_LIBC_TMPDIR, ret);
+    }
+#endif
+
 #ifdef CONFIG_MMCSD
   ret = esp32_mmcsd_initialize(0);
   if (ret < 0)