diff --git a/components/vfs/vfs.c b/components/vfs/vfs.c
index 46890e3e64c..918b1e6d294 100644
--- a/components/vfs/vfs.c
+++ b/components/vfs/vfs.c
@@ -139,8 +139,8 @@ esp_err_t esp_vfs_register_fd_range(const esp_vfs_t *vfs, void *ctx, int min_fd,
         _lock_acquire(&s_fd_table_lock);
         for (int i = min_fd; i < max_fd; ++i) {
             if (s_fd_table[i].vfs_index != -1) {
-                free(s_vfs[i]);
-                s_vfs[i] = NULL;
+                free(s_vfs[index]);
+                s_vfs[index] = NULL;
                 for (int j = min_fd; j < i; ++j) {
                     if (s_fd_table[j].vfs_index == index) {
                         s_fd_table[j] = FD_TABLE_ENTRY_UNUSED;