diff --git a/openfpga_flow/openfpga_arch/k6_frac_N10_adder_register_scan_chain_depop50_40nm_openfpga.xml b/openfpga_flow/openfpga_arch/k6_frac_N10_adder_register_scan_chain_depop50_40nm_openfpga.xml
index 1aa06737b..a3d5b3bb7 100644
--- a/openfpga_flow/openfpga_arch/k6_frac_N10_adder_register_scan_chain_depop50_40nm_openfpga.xml
+++ b/openfpga_flow/openfpga_arch/k6_frac_N10_adder_register_scan_chain_depop50_40nm_openfpga.xml
@@ -147,7 +147,7 @@
        <input_buffer exist="true" circuit_model_name="INVTX1"/>
        <output_buffer exist="true" circuit_model_name="INVTX1"/>
        <port type="input" prefix="D" size="1"/>
-       <port type="input" prefix="D_chain" lib_name="DI" size="1"/>
+       <port type="input" prefix="D_chain" lib_name="SI" size="1"/>
        <port type="input" prefix="TESTEN" lib_name="SE" size="1" is_global="true" default_val="0"/>
        <port type="input" prefix="set" lib_name="SET" size="1" is_global="true" default_val="0" is_set="true"/>
        <port type="input" prefix="reset" lib_name="RST" size="1" is_global="true" default_val="0" is_reset="true"/>
diff --git a/openfpga_flow/openfpga_arch/k6_frac_N10_adder_register_scan_chain_depop50_spypad_40nm_openfpga.xml b/openfpga_flow/openfpga_arch/k6_frac_N10_adder_register_scan_chain_depop50_spypad_40nm_openfpga.xml
index f288f47ef..ac7547e57 100644
--- a/openfpga_flow/openfpga_arch/k6_frac_N10_adder_register_scan_chain_depop50_spypad_40nm_openfpga.xml
+++ b/openfpga_flow/openfpga_arch/k6_frac_N10_adder_register_scan_chain_depop50_spypad_40nm_openfpga.xml
@@ -147,7 +147,7 @@
        <input_buffer exist="true" circuit_model_name="INVTX1"/>
        <output_buffer exist="true" circuit_model_name="INVTX1"/>
        <port type="input" prefix="D" size="1"/>
-       <port type="input" prefix="D_chain" lib_name="DI" size="1"/>
+       <port type="input" prefix="D_chain" lib_name="SI" size="1"/>
        <port type="input" prefix="TESTEN" lib_name="SE" size="1" is_global="true" default_val="0"/>
        <port type="input" prefix="set" lib_name="SET" size="1" is_global="true" default_val="0" is_set="true"/>
        <port type="input" prefix="reset" lib_name="RST" size="1" is_global="true" default_val="0" is_reset="true"/>