else
                                        bad_state = " (block condition unknown)";
 
-                               command_print(cmd_ctx, "\t#%i: 0x%8.8x (%dkB) %s%s",
-                                                       j, p->blocks[j].offset, p->blocks[j].size / 1024,
-                                                       erase_state, bad_state);
+                               command_print(cmd_ctx, 
+                                             "\t#%i: 0x%8.8" PRIx32 " (%" PRId32 "kB) %s%s",
+                                             j,
+                                             p->blocks[j].offset, 
+                                             p->blocks[j].size / 1024,
+                                             erase_state, 
+                                             bad_state);
                        }
                }
                else
 
                        if (nand_write_page(p, offset / p->page_size, page, page_size, oob, oob_size) != ERROR_OK)
                        {
-                               command_print(cmd_ctx, "failed writing file %s to NAND flash %s at offset 0x%8.8x",
+                               command_print(cmd_ctx, "failed writing file %s to NAND flash %s at offset 0x%8.8" PRIx32 "",
                                        args[1], args[0], offset);
 
                                fileio_close(&fileio);
                oob = NULL;
                page = NULL;
                duration_stop_measure(&duration, &duration_text);
-               command_print(cmd_ctx, "wrote file %s to NAND flash %s up to offset 0x%8.8x in %s",
+               command_print(cmd_ctx, "wrote file %s to NAND flash %s up to offset 0x%8.8" PRIx32 " in %s",
                        args[1], args[0], offset, duration_text);
                free(duration_text);
                duration_text = NULL;