diff --git a/drivers/net/wireless/iwlwifi/iwl-op-mode.h b/drivers/net/wireless/iwlwifi/iwl-op-mode.h
index 73e1a0e7be36..4ef742b28e08 100644
--- a/drivers/net/wireless/iwlwifi/iwl-op-mode.h
+++ b/drivers/net/wireless/iwlwifi/iwl-op-mode.h
@@ -69,6 +69,7 @@ struct sk_buff;
 struct iwl_device_cmd;
 struct iwl_rx_cmd_buffer;
 struct iwl_fw;
+struct iwl_cfg;
 
 /**
  * DOC: Operational mode - what is it ?