diff --git a/arch/s390/crypto/crypto_des.h b/arch/s390/crypto/crypto_des.h
index c964b64111ddd1d192841b9c58922e3ebd8a63aa..6210457ceebb89c597994064af8dab46a26ad0cc 100644
--- a/arch/s390/crypto/crypto_des.h
+++ b/arch/s390/crypto/crypto_des.h
@@ -15,4 +15,4 @@
 
 extern int crypto_des_check_key(const u8*, unsigned int, u32*);
 
-#endif //__CRYPTO_DES_H__
+#endif /*__CRYPTO_DES_H__*/