diff --git a/virtio-devices/src/seccomp_filters.rs b/virtio-devices/src/seccomp_filters.rs
index 484495bde..edd237bc2 100644
--- a/virtio-devices/src/seccomp_filters.rs
+++ b/virtio-devices/src/seccomp_filters.rs
@@ -194,6 +194,7 @@ fn virtio_mem_thread_rules() -> Result<Vec<SyscallRuleSet>, Error> {
         allow_syscall(libc::SYS_madvise),
         allow_syscall(libc::SYS_munmap),
         allow_syscall(libc::SYS_read),
+        allow_syscall(libc::SYS_rt_sigprocmask),
         allow_syscall(libc::SYS_sigaltstack),
         allow_syscall(libc::SYS_write),
     ])