c3-lang/libffi

diff --git a/src/x86/ffi64.c b/src/x86/ffi64.c
index 996b3b8..88d1a6f 100644
--- a/src/x86/ffi64.c
+++ b/src/x86/ffi64.c
@@ -790,7 +790,7 @@ ffi_prep_closure_loc (ffi_closure* closure,
         dest = ffi_closure_unix64_sse_alt;
       else
         dest = ffi_closure_unix64_alt;
-      ffi_tramp_set_parms (closure->ftramp, dest, closure);
+      ffi_tramp_set_parms (closure->tramp.ftramp, dest, closure);
       goto out;
     }
 #endif