diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog
index 19d28771d022..f3b7d1faf196 100644
--- a/libiberty/ChangeLog
+++ b/libiberty/ChangeLog
@@ -1,3 +1,7 @@
+2013-10-27  Gerald Pfeifer  <gerald@pfeifer.com>
+
+	* testsuite/test-demangle.c: Include unistd.h.
+	
 2013-10-25  Gary Benson  <gbenson@redhat.com>
 
 	* cp-demangle.c (struct d_saved_scope): New structure.
diff --git a/libiberty/testsuite/test-demangle.c b/libiberty/testsuite/test-demangle.c
index 11d9729999b8..44062478c093 100644
--- a/libiberty/testsuite/test-demangle.c
+++ b/libiberty/testsuite/test-demangle.c
@@ -32,6 +32,9 @@
 #if HAVE_STDLIB_H
 # include <stdlib.h>
 #endif
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
 
 struct line
 {