diff --git a/libraries/technology/xaui/tech_xaui.vhd b/libraries/technology/xaui/tech_xaui.vhd
index 7c06cd00d7f27f3482a7ba2d603c9256ebee2073..cb376517c4209f03f43e923efb1b23bf4053f86f 100644
--- a/libraries/technology/xaui/tech_xaui.vhd
+++ b/libraries/technology/xaui/tech_xaui.vhd
@@ -88,7 +88,7 @@ BEGIN
   END GENERATE;
   
   
-  gem_sim_xaui : IF c_use_sim_model=TRUE GENERATE
+  gem_sim_xaui : IF c_use_sim_model=TRUE OR g_technology/=c_tech_stratixiv GENERATE
     u0 : ENTITY work.sim_xaui
     GENERIC MAP (g_sim, g_nof_xaui)
     PORT MAP (tr_clk, tr_rst, cal_rec_clk, mm_clk, mm_rst, xaui_mosi, xaui_miso,