diff --git a/arch/arm/arm-v7a/common/include/tos_cpu_types.h b/arch/arm/arm-v7a/common/include/tos_cpu_types.h
index 8ee05361af9b57bd212afeb35a50217daeaa941a..1dd7769caf344b47d71a7ca219a30828e2ffbdb3 100644
--- a/arch/arm/arm-v7a/common/include/tos_cpu_types.h
+++ b/arch/arm/arm-v7a/common/include/tos_cpu_types.h
@@ -17,7 +17,7 @@
 
 #ifndef _TOS_CPU_TYPES_H_
 #define  _TOS_CPU_TYPES_H_
-
+#include <stdint.h>
 /* CPU address type based on address bus size.          */
 #if     (TOS_CFG_CPU_ADDR_SIZE == CPU_WORD_SIZE_32)
 typedef uint32_t    cpu_addr_t;