diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog
index dcdb2f6f81f..3a214efb14c 100644
--- a/libiberty/ChangeLog
+++ b/libiberty/ChangeLog
@@ -1,3 +1,7 @@
+2013-10-23  Gerald Pfeifer  <gerald@pfeifer.com>
+
+	* testsuite/test-expandargv.c: Include unistd.h.
+
 2013-10-15  David Malcolm  <dmalcolm@redhat.com>
 
 	* configure.ac: If --enable-host-shared, use -fPIC.
diff --git a/libiberty/testsuite/test-expandargv.c b/libiberty/testsuite/test-expandargv.c
index dff20d41daf..0edd751722b 100644
--- a/libiberty/testsuite/test-expandargv.c
+++ b/libiberty/testsuite/test-expandargv.c
@@ -40,6 +40,9 @@
 #ifdef HAVE_STRING_H
 #include <string.h>
 #endif
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
 
 #ifndef EXIT_SUCCESS
 #define EXIT_SUCCESS 0