diff --git a/include/psa/crypto_driver.h b/include/psa/crypto_driver.h
index 25cbf3e..0064531 100644
--- a/include/psa/crypto_driver.h
+++ b/include/psa/crypto_driver.h
@@ -25,8 +25,8 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-#ifndef __PSA_CRYPTO_DRIVER_H__
-#define __PSA_CRYPTO_DRIVER_H__
+#ifndef PSA_CRYPTO_DRIVER_H
+#define PSA_CRYPTO_DRIVER_H
 
 #include <stddef.h>
 #include <stdint.h>
@@ -1776,4 +1776,4 @@
 
 /**@}*/
 
-#endif // __PSA_CRYPTO_DRIVER_H__
+#endif /* PSA_CRYPTO_DRIVER_H */