diff --git a/include/stdint.h b/include/stdint.h
index c476e9d..e796989 100644
--- a/include/stdint.h
+++ b/include/stdint.h
@@ -127,16 +127,16 @@ typedef unsigned long long uint_fast64_t;
 #if __LONGLONG
 
 #define INT64_MIN	(-9223372036854775807LL-1LL)
-#define INT64_MAX	9223372036854775807
-#define UINT64_MAX	18446744073709551615
+#define INT64_MAX	9223372036854775807LL
+#define UINT64_MAX	18446744073709551615ULL
 
 #define INT_LEAST64_MIN	(-9223372036854775807LL-1LL)
-#define INT_LEAST64_MAX	9223372036854775807
-#define UINT_LEAST64_MAX 18446744073709551615
+#define INT_LEAST64_MAX	9223372036854775807LL
+#define UINT_LEAST64_MAX 18446744073709551615ULL
 
 #define INT_FAST64_MIN	(-9223372036854775807LL-1LL)
-#define INT_FAST64_MAX	9223372036854775807
-#define UINT_FAST64_MAX	18446744073709551615
+#define INT_FAST64_MAX	9223372036854775807LL
+#define UINT_FAST64_MAX	18446744073709551615ULL
 
 #endif
 
@@ -152,8 +152,8 @@ typedef unsigned long long uint_fast64_t;
 
 #if __LONGLONG
 #define INTMAX_MIN	(-9223372036854775807LL-1LL)
-#define INTMAX_MAX	9223372036854775807
-#define UINTMAX_MAX	18446744073709551615
+#define INTMAX_MAX	9223372036854775807LL
+#define UINTMAX_MAX	18446744073709551615ULL
 #define INTMAX_C(v)	__EXPAND(__EXPAND(v)##LL)
 #define UINTMAX_C(v)	__EXPAND(__EXPAND(v)##ULL)
 #else