diff --git a/openfpga_flow/openfpga_arch/k4_frac_N8_reset_softadderSuperLUT_register_scan_chain_caravel_io_skywater130nm_fdhd_cc_openfpga.xml b/openfpga_flow/openfpga_arch/k4_frac_N8_reset_softadderSuperLUT_register_scan_chain_caravel_io_skywater130nm_fdhd_cc_openfpga.xml
index d40e7bea2..fbf6a05f0 100644
--- a/openfpga_flow/openfpga_arch/k4_frac_N8_reset_softadderSuperLUT_register_scan_chain_caravel_io_skywater130nm_fdhd_cc_openfpga.xml
+++ b/openfpga_flow/openfpga_arch/k4_frac_N8_reset_softadderSuperLUT_register_scan_chain_caravel_io_skywater130nm_fdhd_cc_openfpga.xml
@@ -206,9 +206,9 @@
     <!-- A dummy model to include the adder_lut verilog code in testbench netlists
          so that HDL simulation can be run when adder lut is used in users' implementations
      -->
-    <!--circuit_model type="inv_buf" name="dummy1" prefix="dummy1" verilog_netlist="${OPENFPGA_PATH}/yosys/techlibs/quicklogic/openfpga_cells_sim.v">
+    <circuit_model type="inv_buf" name="dummy1" prefix="dummy1" verilog_netlist="${OPENFPGA_PATH}/yosys/techlibs/quicklogic/qlf_k4n8_cells_sim.v">
       <design_technology type="cmos" topology="inverter" size="1"/>
-    </circuit_model-->
+    </circuit_model>
   </circuit_library>
   <configuration_protocol>
     <organization type="scan_chain" circuit_model_name="DFFRQ" num_regions="1"/>