diff --git a/ChangeLog b/ChangeLog
index fccac95175..5c5dd35d4e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2017-09-01  Joseph Myers  <joseph@codesourcery.com>
+
+	* sysdeps/unix/sysv/linux/gentempfd.c: Include <string.h>.
+
 2017-09-01  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* csu/version.c (banner): Remove "by Roland McGrath et al.".
diff --git a/sysdeps/unix/sysv/linux/gentempfd.c b/sysdeps/unix/sysv/linux/gentempfd.c
index 902cbe286e..ff3a649860 100644
--- a/sysdeps/unix/sysv/linux/gentempfd.c
+++ b/sysdeps/unix/sysv/linux/gentempfd.c
@@ -19,6 +19,7 @@
 #include <stdio.h>
 #include <fcntl.h>
 #include <errno.h>
+#include <string.h>
 
 int
 __gen_tempfd (int flags)