diff --git a/libssp/ChangeLog b/libssp/ChangeLog
index e7c3ce2467f2627cc1b174fb1127f0ca8f51ef02..d1580a37e98658c40c0bbe9632299b74a6d37f46 100644
--- a/libssp/ChangeLog
+++ b/libssp/ChangeLog
@@ -1,3 +1,7 @@
+2015-01-22  Matthias Klose  <doko@ubuntu.com>
+
+	* gets-chk.c: Declare prototype for gets in C11 mode.
+
 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
 
 	PR bootstrap/63784
diff --git a/libssp/gets-chk.c b/libssp/gets-chk.c
index 053c4462647053c854bc9163c8734fe74ee780e8..92768e4da1c99db5b21a4c4c7fd22f1400f1ec92 100644
--- a/libssp/gets-chk.c
+++ b/libssp/gets-chk.c
@@ -51,6 +51,11 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 # include <string.h>
 #endif
 
+#if !(!defined __USE_ISOC11				\
+      || (defined __cplusplus && __cplusplus <= 201103L))
+extern char *gets (char *);
+#endif
+
 extern void __chk_fail (void) __attribute__((__noreturn__));
 
 char *