diff --git a/sys/amd64/linux/syscalls.master b/sys/amd64/linux/syscalls.master
index 3d5c2fe6c9ac..d8470dbe4ea4 100644
--- a/sys/amd64/linux/syscalls.master
+++ b/sys/amd64/linux/syscalls.master
@@ -473,7 +473,8 @@
 280	AUE_FUTIMESAT	STD	{ int linux_utimensat(l_int dfd, const char *pathname, \
 					const struct l_timespec *times, l_int flags); }
 281     AUE_NULL        STD     { int linux_epoll_pwait(l_int epfd, struct epoll_event *events, \
-                                        l_int maxevents, l_int timeout, l_sigset_t *mask); }
+                                        l_int maxevents, l_int timeout, l_sigset_t *mask, \
+                                        l_size_t sigsetsize); }
 282	AUE_NULL	STD	{ int linux_signalfd(void); }
 283	AUE_NULL	STD	{ int linux_timerfd_create(l_int clockid, l_int flags); }
 284	AUE_NULL	STD	{ int linux_eventfd(l_uint initval); }
diff --git a/sys/amd64/linux32/syscalls.master b/sys/amd64/linux32/syscalls.master
index b16e5a5505df..e1f2602c380b 100644
--- a/sys/amd64/linux32/syscalls.master
+++ b/sys/amd64/linux32/syscalls.master
@@ -533,7 +533,8 @@
 ; linux 2.6.19:
 318	AUE_NULL	STD	{ int linux_getcpu(void); }
 319     AUE_NULL        STD     { int linux_epoll_pwait(l_int epfd, struct epoll_event *events, \
-                                        l_int maxevents, l_int timeout, l_sigset_t *mask); }
+                                        l_int maxevents, l_int timeout, l_sigset_t *mask, \
+                                        l_size_t sigsetsize); }
 ; linux 2.6.22:
 320	AUE_FUTIMESAT	STD	{ int linux_utimensat(l_int dfd, const char *pathname, \
 					const struct l_timespec *times, l_int flags); }
diff --git a/sys/i386/linux/syscalls.master b/sys/i386/linux/syscalls.master
index 50c5a632d775..7ef682a408b8 100644
--- a/sys/i386/linux/syscalls.master
+++ b/sys/i386/linux/syscalls.master
@@ -541,7 +541,8 @@
 ; linux 2.6.19:
 318	AUE_NULL	STD	{ int linux_getcpu(void); }
 319	AUE_NULL	STD	{ int linux_epoll_pwait(l_int epfd, struct epoll_event *events, \
-					l_int maxevents, l_int timeout, l_sigset_t *mask); }
+					l_int maxevents, l_int timeout, l_sigset_t *mask, \
+					l_size_t sigsetsize); }
 ; linux 2.6.22:
 320	AUE_FUTIMESAT	STD	{ int linux_utimensat(l_int dfd, const char *pathname, \
 					const struct l_timespec *times, l_int flags); }