diff --git a/include/asm-s390/unistd.h b/include/asm-s390/unistd.h
index f04acb2..583da80 100644
--- a/include/asm-s390/unistd.h
+++ b/include/asm-s390/unistd.h
@@ -256,7 +256,10 @@
 #define __NR_signalfd		316
 #define __NR_timerfd		317
 #define __NR_eventfd		318
-#define NR_syscalls 319
+#define __NR_timerfd_create	319
+#define __NR_timerfd_settime	320
+#define __NR_timerfd_gettime	321
+#define NR_syscalls 322
 
 /* 
  * There are some system calls that are not present on 64 bit, some