diff --git a/include/lib/cpus/aarch32/cortex_a17.h b/include/lib/cpus/aarch32/cortex_a17.h
index b5a4a90..4b05216 100644
--- a/include/lib/cpus/aarch32/cortex_a17.h
+++ b/include/lib/cpus/aarch32/cortex_a17.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2017-2019, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -7,14 +7,16 @@
 #ifndef CORTEX_A17_H
 #define CORTEX_A17_H
 
+#include <lib/utils_def.h>
+
 /*******************************************************************************
  * Cortex-A17 midr with version/revision set to 0
  ******************************************************************************/
-#define CORTEX_A17_MIDR			0x410FC0E0
+#define CORTEX_A17_MIDR			U(0x410FC0E0)
 
 /*******************************************************************************
  * CPU Auxiliary Control register specific definitions.
  ******************************************************************************/
-#define CORTEX_A17_ACTLR_SMP_BIT	(1 << 6)
+#define CORTEX_A17_ACTLR_SMP_BIT	(U(1) << 6)
 
 #endif /* CORTEX_A17_H */