diff --git a/newlib/ChangeLog b/newlib/ChangeLog
index 40b5dbcfe..d310a1833 100644
--- a/newlib/ChangeLog
+++ b/newlib/ChangeLog
@@ -1,3 +1,7 @@
+2012-05-10  Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* libc/sys/rtems/machine/_types.h: Add Microblaze.
+
 2012-05-09  Joel Sherrill <joel.sherrill@oarcorp.com>
 
 	* libc/sys/rtems/crt0.c: Add stubs for access(), ftruncate(),
diff --git a/newlib/libc/sys/rtems/machine/_types.h b/newlib/libc/sys/rtems/machine/_types.h
index 2e0204335..308bfda71 100644
--- a/newlib/libc/sys/rtems/machine/_types.h
+++ b/newlib/libc/sys/rtems/machine/_types.h
@@ -13,7 +13,7 @@
  * could be applied here.
  */
 
-#if defined(__i386__) || defined(__m32r__) || defined(__h8300__) || defined(__arm__) || defined(__bfin__) || defined(__m68k__)
+#if defined(__i386__) || defined(__m32r__) || defined(__h8300__) || defined(__arm__) || defined(__bfin__) || defined(__m68k__) || defined(__MICROBLAZE__)
 #if defined(__H8300__)
 typedef signed int _ssize_t;
 #else