diff --git a/vsprintf.c b/vsprintf.c
index a72af67..8d09a41 100644
--- a/vsprintf.c
+++ b/vsprintf.c
@@ -99,11 +99,11 @@
 #define VA_START(ap, last) va_start(ap, last)
 #define VA_SHIFT(ap, value, type) /* No-op for ANSI C. */
 
-#define ULLONG unsigned long long
-#define UINTMAX_T unsigned long long
-#define UINTMAX_MAX ULLONG_MAX
-#define LLONG long long
-#define INTMAX_T long long
+#define ULLONG unsigned long
+#define UINTMAX_T unsigned long
+#define UINTMAX_MAX ULONG_MAX
+#define LLONG long
+#define INTMAX_T long
 
 /* Support for uintptr_t. */
 #ifndef UINTPTR_T