diff --git a/libc/unistd/sysconf.c b/libc/unistd/sysconf.c
index a19edbb..d3089a4 100644
--- a/libc/unistd/sysconf.c
+++ b/libc/unistd/sysconf.c
@@ -28,7 +28,7 @@
 #include <unistd.h>
 #include <sys/sysconf.h>
 #include <limits.h>
-#include <sys/tls.h>
+#include <bionic_tls.h>
 #include <asm/page.h>
 #include <stdio.h>  /* for FOPEN_MAX */
 #include <errno.h>