diff --git a/payloads/libpayload/include/limits.h b/payloads/libpayload/include/limits.h
index 53adfcb98c..c712b60bfd 100644
--- a/payloads/libpayload/include/limits.h
+++ b/payloads/libpayload/include/limits.h
@@ -41,6 +41,10 @@
 
 #define CHAR_BIT	8
 
+#define UCHAR_MAX	((unsigned char)~0U)
+#define CHAR_MIN	((char)(UCHAR_MAX & ~(UCHAR_MAX >> 1)))
+#define CHAR_MAX	((char)(UCHAR_MAX >> 1))
+
 #define USHRT_MAX	((unsigned short int)~0U)
 #define SHRT_MIN	((short int)(USHRT_MAX & ~(USHRT_MAX >> 1)))
 #define SHRT_MAX	((short int)(USHRT_MAX >> 1))