diff --git a/sys_linux.c b/sys_linux.c
index aee5a5e..ebbeaae 100644
--- a/sys_linux.c
+++ b/sys_linux.c
@@ -493,7 +493,7 @@ SYS_Linux_EnableSystemCallFilter(int level)
     SCMP_SYS(clone), SCMP_SYS(exit), SCMP_SYS(exit_group), SCMP_SYS(getpid),
     SCMP_SYS(getrlimit), SCMP_SYS(rt_sigaction), SCMP_SYS(rt_sigreturn),
     SCMP_SYS(rt_sigprocmask), SCMP_SYS(set_tid_address), SCMP_SYS(sigreturn),
-    SCMP_SYS(wait4),
+    SCMP_SYS(wait4), SCMP_SYS(waitpid),
     /* Memory */
     SCMP_SYS(brk), SCMP_SYS(madvise), SCMP_SYS(mmap), SCMP_SYS(mmap2),
     SCMP_SYS(mprotect), SCMP_SYS(mremap), SCMP_SYS(munmap), SCMP_SYS(shmdt),