diff --git a/library/aes.c b/library/aes.c
index 0286a7f..69da3f6 100644
--- a/library/aes.c
+++ b/library/aes.c
@@ -628,7 +628,9 @@
     *RK++ = *SK++;
     *RK++ = *SK++;
 
+#if defined(POLARSSL_AESNI_C) && defined(POLARSSL_HAVE_X86_64)
 done:
+#endif
     memset( &cty, 0, sizeof( aes_context ) );
 
     return( 0 );