diff --git a/newlib/ChangeLog b/newlib/ChangeLog
index e4df3ce73..0af3c5772 100644
--- a/newlib/ChangeLog
+++ b/newlib/ChangeLog
@@ -1,3 +1,7 @@
+2002-06-21  Jeff Johnston  <jjohnstn@redhat.com>
+
+	* libc/include/errno.h: Protect from multiple inclusion.
+
 2002-06-21  Nick Clifton  <nickc@cambridge.redhat.com>
 
 	* libc/sys/arm/swi.h (ADP_Stopped_RunTimeError): Set correct value.
diff --git a/newlib/libc/include/errno.h b/newlib/libc/include/errno.h
index 8584a639b..81eaef710 100644
--- a/newlib/libc/include/errno.h
+++ b/newlib/libc/include/errno.h
@@ -1,3 +1,8 @@
+#ifndef __ERRNO_H__
+#define __ERRNO_H__
+
 typedef int error_t;
 
 #include <sys/errno.h>
+
+#endif /* !__ERRNO_H__ */