diff --git a/common/cmd_ext4.c b/common/cmd_ext4.c
index 8289d25b0623468017282393e9127841918fbba5..68b047ba6aed1b07509b7ffd8b26fc715c139ce6 100644
--- a/common/cmd_ext4.c
+++ b/common/cmd_ext4.c
@@ -79,8 +79,8 @@ int do_ext4_write(cmd_tbl_t *cmdtp, int flag, int argc,
 	/* get the address in hexadecimal format (string to int) */
 	ram_address = simple_strtoul(argv[3], NULL, 16);
 
-	/* get the filesize in base 10 format */
-	file_size = simple_strtoul(argv[5], NULL, 10);
+	/* get the filesize in hexadecimal format */
+	file_size = simple_strtoul(argv[5], NULL, 16);
 
 	/* set the device as block device */
 	ext4fs_set_blk_dev(dev_desc, &info);