diff --git a/include/common/bl_common.h b/include/common/bl_common.h
index 8915ba0..6a249f5 100644
--- a/include/common/bl_common.h
+++ b/include/common/bl_common.h
@@ -9,6 +9,7 @@
 
 #include <ep_info.h>
 #include <param_header.h>
+#include <utils_def.h>
 
 #define UP	1
 #define DOWN	0
@@ -31,10 +32,10 @@
 #define IMAGE_STATE_EXECUTED			4
 #define IMAGE_STATE_INTERRUPTED			5
 
-#define IMAGE_ATTRIB_SKIP_LOADING	0x02
-#define IMAGE_ATTRIB_PLAT_SETUP		0x04
+#define IMAGE_ATTRIB_SKIP_LOADING	U(0x02)
+#define IMAGE_ATTRIB_PLAT_SETUP		U(0x04)
 
-#define INVALID_IMAGE_ID		(0xFFFFFFFF)
+#define INVALID_IMAGE_ID		U(0xFFFFFFFF)
 
 /*******************************************************************************
  * Constants to indicate type of exception to the common exception handler.