diff --git a/timing/timing.c b/timing/timing.c
index 9ac5d7b..2e3ff0d 100644
--- a/timing/timing.c
+++ b/timing/timing.c
@@ -3,13 +3,15 @@
 */
 
 #include <stdlib.h>
-#include <stdint.h>
 #include <sys/types.h>
 #include <sys/time.h>
 #include <unistd.h>
+#ifdef HAVE_STDINT_H
+# include <stdint.h>
+#endif
 
 #ifdef _WIN32
-#include <mmsystem.h>
+# include <mmsystem.h>
 #endif
 
 #include "timing.h"
diff --git a/timing/timing.h b/timing/timing.h
index 051d911..1febca1 100644
--- a/timing/timing.h
+++ b/timing/timing.h
@@ -1,7 +1,14 @@
 #ifndef __TIMING_H__
 #define __TIMING_H__
 
-#include <stdint.h>
+#include <sys/types.h>
+#ifdef HAVE_STDINT_H
+# include <stdint.h>
+#endif
+#ifdef _WIN32
+typedef int64_t __int64;
+typedef uint64_t unsigned __int64;
+#endif
 
 uint64_t timing_get_time(void);
 void timing_sleep(uint64_t sleeptime);