diff --git a/drivers/net/wireless/intel/iwlwifi/fw/error-dump.h b/drivers/net/wireless/intel/iwlwifi/fw/error-dump.h
index cb40f509ab61..d08750abac95 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/error-dump.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/error-dump.h
@@ -334,9 +334,9 @@ struct iwl_fw_ini_fifo_hdr {
 struct iwl_fw_ini_error_dump_range {
 	__le32 range_data_size;
 	union {
-		__le32 internal_base_addr;
-		__le64 dram_base_addr;
-		__le32 page_num;
+		__le32 internal_base_addr __packed;
+		__le64 dram_base_addr __packed;
+		__le32 page_num __packed;
 		struct iwl_fw_ini_fifo_hdr fifo_hdr;
 		struct iwl_cmd_header fw_pkt_hdr;
 	};