diff --git a/libc/calls/pledge-linux.c b/libc/calls/pledge-linux.c
index 07df6bca7..3ea63946c 100644
--- a/libc/calls/pledge-linux.c
+++ b/libc/calls/pledge-linux.c
@@ -694,6 +694,7 @@ static const uint16_t kPledgeStdio[] = {
     __NR_linux_sched_getaffinity,  //
     __NR_linux_sched_setaffinity,  //
     __NR_linux_sigtimedwait,       //
+    __NR_linux_getcpu,             //
 };
 
 static const uint16_t kPledgeFlock[] = {