diff --git a/platform/win32/contiki-conf.h b/platform/win32/contiki-conf.h
index a82a902c3..56c01c4af 100644
--- a/platform/win32/contiki-conf.h
+++ b/platform/win32/contiki-conf.h
@@ -116,10 +116,19 @@ typedef unsigned long clock_time_t;
 
 
 
+typedef   signed char    int8_t;
+typedef unsigned char   uint8_t;
+typedef   signed short  int16_t;
+typedef unsigned short uint16_t;
+typedef   signed long   int32_t;
+typedef unsigned long  uint32_t;
+
+/* These names are deprecated, use C99 names. */
 typedef unsigned char   u8_t;
 typedef unsigned short u16_t;
 typedef unsigned long  u32_t;
 typedef          long  s32_t;
+
 typedef unsigned short uip_stats_t;
 
 #define UIP_CONF_MAX_CONNECTIONS 40