diff --git a/drivers/net/wireless/iwlwifi/iwl-drv.c b/drivers/net/wireless/iwlwifi/iwl-drv.c
index fa12f73cd5095a210694f54d0e9a0adf345efbc2..da4d85a32d314273ebc5391b4894af44c84ca439 100644
--- a/drivers/net/wireless/iwlwifi/iwl-drv.c
+++ b/drivers/net/wireless/iwlwifi/iwl-drv.c
@@ -284,6 +284,7 @@ static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces,
 
 	sec->offset = le32_to_cpu(sec_parse->offset);
 	sec->data = sec_parse->data;
+	sec->size = size - sizeof(sec_parse->offset);
 
 	++img->sec_counter;