diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index e59baec56520..a4ceae3dbcf1 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -320,3 +320,4 @@ SYSCALL(sys_tee,sys_tee,sys_tee_wrapper)
 SYSCALL(sys_vmsplice,sys_vmsplice,compat_sys_vmsplice_wrapper)
 NI_SYSCALL							/* 310 sys_move_pages */
 SYSCALL(sys_getcpu,sys_getcpu,sys_getcpu_wrapper)
+SYSCALL(sys_epoll_pwait,sys_epoll_pwait,sys_ni_syscall)
diff --git a/include/asm-s390/unistd.h b/include/asm-s390/unistd.h
index a19238cbcffa..71d3c21b84f0 100644
--- a/include/asm-s390/unistd.h
+++ b/include/asm-s390/unistd.h
@@ -249,8 +249,9 @@
 #define __NR_vmsplice		309
 /* Number 310 is reserved for new sys_move_pages */
 #define __NR_getcpu		311
+#define __NR_epoll_pwait	312
 
-#define NR_syscalls 312
+#define NR_syscalls 313
 
 /* 
  * There are some system calls that are not present on 64 bit, some