diff --git a/ChangeLog.ia64 b/ChangeLog.ia64
index 307fac353d..11ba030450 100644
--- a/ChangeLog.ia64
+++ b/ChangeLog.ia64
@@ -1,3 +1,7 @@
+2012-05-07  Mike Frysinger  <vapier@gentoo.org>
+
+	* sysdeps/unix/sysv/linux/ia64/sysdep.h: Include errno.h.
+
 2012-05-06  Mike Frysinger  <vapier@gentoo.org>
 
 	* data/localplt-ia64-linux-gnu.data: New file.
diff --git a/sysdeps/unix/sysv/linux/ia64/sysdep.h b/sysdeps/unix/sysv/linux/ia64/sysdep.h
index ebaec95279..5d02429e05 100644
--- a/sysdeps/unix/sysv/linux/ia64/sysdep.h
+++ b/sysdeps/unix/sysv/linux/ia64/sysdep.h
@@ -25,6 +25,11 @@
 #include <dl-sysdep.h>
 #include <tls.h>
 
+/* In order to get __set_errno() definition in INLINE_SYSCALL.  */
+#ifndef __ASSEMBLER__
+#include <errno.h>
+#endif
+
 /* As of GAS v2.4.90.0.7, including a ".align" directive inside a
    function will cause bad unwind info to be emitted (GAS doesn't know
    how to account for the padding introduced by the .align directive).