diff --git a/libc/bionic/libc_init_dynamic.cpp b/libc/bionic/libc_init_dynamic.cpp
index 659cf39..7c46364 100644
--- a/libc/bionic/libc_init_dynamic.cpp
+++ b/libc/bionic/libc_init_dynamic.cpp
@@ -94,7 +94,7 @@
 // Note that the dynamic linker has also run all constructors in the
 // executable at this point.
 __noreturn void __libc_init(void* raw_args,
-                            void (*onexit)(void),
+                            void (*onexit)(void) __unused,
                             int (*slingshot)(int, char**, char**),
                             structors_array_t const * const structors) {