diff --git a/drivers/net/wireless/iwlwifi/iwl-debug.h b/drivers/net/wireless/iwlwifi/iwl-debug.h
index 7c4ee0c..f989218 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debug.h
+++ b/drivers/net/wireless/iwlwifi/iwl-debug.h
@@ -29,6 +29,8 @@
 #ifndef __iwl_debug_h__
 #define __iwl_debug_h__
 
+struct iwl_priv;
+
 #ifdef CONFIG_IWLWIFI_DEBUG
 #define IWL_DEBUG(level, fmt, args...) \
 do { if (priv->debug_level & (level)) \