diff --git a/libc/arch-x86/bionic/vfork.S b/libc/arch-x86/bionic/vfork.S
index 5c71b8d..79d7899 100644
--- a/libc/arch-x86/bionic/vfork.S
+++ b/libc/arch-x86/bionic/vfork.S
@@ -31,6 +31,7 @@
 // This custom code preserves the return address across the system call.
 
 ENTRY(vfork)
+__BIONIC_WEAK_ASM_FOR_NATIVE_BRIDGE(vfork)
   popl    %ecx  // Grab the return address.
   .cfi_adjust_cfa_offset 4
   .cfi_rel_offset ecx, 0