diff --git a/fs/signalfd.c b/fs/signalfd.c
index 2d3e107da2d3d009d49b505e1110c711f8d25112..cb2b63ae0bf40adc55ccde41d753e04097e1ddab 100644
--- a/fs/signalfd.c
+++ b/fs/signalfd.c
@@ -27,6 +27,7 @@
 #include <linux/list.h>
 #include <linux/anon_inodes.h>
 #include <linux/signalfd.h>
+#include <linux/syscalls.h>
 
 struct signalfd_ctx {
 	sigset_t sigmask;