diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-config.h b/drivers/net/wireless/intel/iwlwifi/iwl-config.h
index cfd14e5ea59c7f1af7e590849dd8daf6d783cd33..c503b26793f6dd77fb63da69c7a838c059eb12be 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-config.h
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-config.h
@@ -420,7 +420,7 @@ struct iwl_cfg {
 	u32 soc_latency;
 	u16 nvm_ver;
 	u16 nvm_calib_ver;
-	u16 rx_with_siso_diversity:1,
+	u32 rx_with_siso_diversity:1,
 	    bt_shared_single_ant:1,
 	    internal_wimax_coex:1,
 	    host_interrupt_operation_mode:1,