diff --git a/libc/private/bionic_tls.h b/libc/private/bionic_tls.h
index 4fdf187..22b7806 100644
--- a/libc/private/bionic_tls.h
+++ b/libc/private/bionic_tls.h
@@ -76,7 +76,7 @@
  * maintain that second number, but pthread_test will fail if we forget.
  */
 #define GLOBAL_INIT_THREAD_LOCAL_BUFFER_COUNT 4
-#define BIONIC_TLS_SLOTS 64
+#define BIONIC_TLS_SLOTS 128
 
 /* syscall only, do not call directly */
 extern int __set_tls(void* ptr);