diff --git a/target/linux/ar71xx/files/include/linux/ath9k_platform.h b/target/linux/ar71xx/files/include/linux/ath9k_platform.h
index d769560795..3fbe9b25c4 100644
--- a/target/linux/ar71xx/files/include/linux/ath9k_platform.h
+++ b/target/linux/ar71xx/files/include/linux/ath9k_platform.h
@@ -9,7 +9,7 @@
  */
 
 #ifndef _LINUX_ATH9K_PLATFORM_H
-#define _LINUX_ATH9L_PLATFORM_H
+#define _LINUX_ATH9K_PLATFORM_H
 
 #define ATH9K_PLAT_EEP_MAX_WORDS	2048