diff --git a/libopenjpeg/int.h b/libopenjpeg/int.h
index a5563f46..a15aa95c 100644
--- a/libopenjpeg/int.h
+++ b/libopenjpeg/int.h
@@ -43,6 +43,24 @@ The functions in INT.H have for goal to realize operations on integers.
 /** @name Exported functions (see also openjpeg.h) */
 /*@{*/
 /* ----------------------------------------------------------------------- */
+
+#ifdef HAVE_STDINT_H
+#include <stdint.h>
+#else
+#if defined(_WIN32)
+typedef   signed __int8   int8_t;
+typedef unsigned __int8   uint8_t;
+typedef   signed __int16  int16_t;
+typedef unsigned __int16  uint16_t;
+typedef   signed __int32  int32_t;
+typedef unsigned __int32  uint32_t;
+typedef   signed __int64  int64_t;
+typedef unsigned __int64  uint64_t;
+#else
+#error unsupported platform
+#endif
+#endif
+
 /**
 Get the minimum of two integers
 @return Returns a if a < b else b