* and go on parsing the rest of the chunks
                 */
                if (chunk_header->chunk_type == CHUNK_TYPE_DONT_CARE) {
-                       skipped += sparse_block_size_to_storage(chunk_header->chunk_sz,
-                                                               storage,
-                                                               sparse_header);
+                       blkcnt = sparse_block_size_to_storage(chunk_header->chunk_sz,
+                                                             storage,
+                                                             sparse_header);
+#ifdef CONFIG_FASTBOOT_FLASH_MMC_DEV
+                       total_blocks += blkcnt;
+#endif
+                       skipped += blkcnt;
                        continue;
                }
 
        printf("........ wrote %d blocks to '%s'\n", total_blocks,
               storage->name);
 
-       if ((total_blocks + skipped) !=
+       if (total_blocks !=
            sparse_block_size_to_storage(sparse_header->total_blks,
                                         storage, sparse_header)) {
                printf("sparse image write failure\n");