diff --git a/jtag/ChangeLog b/jtag/ChangeLog
index eb26a776..72ec4c60 100644
--- a/jtag/ChangeLog
+++ b/jtag/ChangeLog
@@ -1,3 +1,9 @@
+2008-12-23  Kolja Waschk <kawk>
+
+   * src/cmd/usleep.c, sysdep.h: usleep() is declared in
+     unistd.h, also present in modern MinGW environments.
+     Defining it in sysdep.h collides with unistd.h. 
+
 2008-12-22  Arnim Laeuger  <arniml@users.sourceforge.net>
 
    * src/tap/cable/usbblaster.c:
diff --git a/jtag/src/cmd/usleep.c b/jtag/src/cmd/usleep.c
index 07ff4f44..c2dd8c3e 100644
--- a/jtag/src/cmd/usleep.c
+++ b/jtag/src/cmd/usleep.c
@@ -24,6 +24,8 @@
 
 #include "sysdep.h"
 
+#include <unistd.h>
+
 #include <stdio.h>
 #include <string.h>
 
diff --git a/jtag/sysdep.h b/jtag/sysdep.h
index 52feb74d..f6c6db6d 100644
--- a/jtag/sysdep.h
+++ b/jtag/sysdep.h
@@ -48,7 +48,6 @@
 #include <windows.h>
 #define geteuid() 0
 #define getuid() 0
-#define usleep(x) Sleep(x/1E3)
 #endif
 
 #endif /* SYSDEP_H */