diff --git a/lib_xua/wscript b/lib_xua/wscript
index f1b4a92f..f7ccee29 100644
--- a/lib_xua/wscript
+++ b/lib_xua/wscript
@@ -18,6 +18,7 @@ def use_module(bld):
     
 
     bld.env['XCC_FLAGS_endpoint0.c'] = bld.env.XCC_FLAGS + ['-Os', '-mno-dual-issue']
+    bld.env['XCC_FLAGS_xua_ep0_uacreqs.xc'] = bld.env.XCC_FLAGS + ['-Os', '-mno-dual-issue']
     bld.env['XCC_FLAGS_dbcalc.xc'] = bld.env.XCC_FLAGS + ['-Os', '-mno-dual-issue']
     bld.env['XCC_FLAGS_flashlib_user.c'] = bld.env.XCC_FLAGS + ['-Os', '-mno-dual-issue']
     bld.env['XCC_FLAGS_audioports.c'] = bld.env.XCC_FLAGS + ['-Os', '-mno-dual-issue']